Understanding

• PE is 0.866659134241932
```  utt-num None Signal-non-understanding Correct-misspeaking SU-Acknowledge
1      17 |                        |                   |              | : STEVE] [1]:  I have \$550 to spend.
2      17 |                        |                   |              | : [2]: How much do you have?
3      16 |                        |                   |     1        | :GARRETT] [3]:  I have 450 dollars
4      14 |                        |                   |     3        | :STEVE] [4]:  So we have a total of \$900 to spend.
5      17 |                        |                   |              | : [5]: The cheapest sofa I have costs \$300
6      17 |                        |                   |              | : [6]: and it is yellow.
7      17 |                        |                   |              | : [7]: How much are your sofas?
8      15 |                        |                   |     2        | :GARRETT] [8]:  My sofa's are more expensive
9      17 |                        |                   |              | : [9]: so buy your \$300 yellow sofa.
10      11 |                        |         6         |              | :[10]: Also.... Your \$550 + my \$450 is \$1000
11      12 |                        |                   |     5        | :STEVE] [11]:  You are right,
12      15 |                        |                   |     2        | :[12]: we have \$1000 to spend.
13      17 |                        |                   |              | : [13]: I will go ahead and buy the \$300 yellow sofa.
14      17 |                        |                   |              | : [14]: That leaves me with \$250 to spend.
15      16 |                        |                   |     1        | :GARRETT] [15]:  I have table-high for \$200 green.
16      17 |                        |                   |              | : [16]: Do you have any cheaper?
17      14 |                        |         3         |              | :STEVE] [17]:  The sofa I bought is blue,
18      13 |                        |         4         |              | :[18]: I messed you up before.
19      16 |                        |                   |     1        | :[19]: The cheapest table high I have is the same \$200
20      17 |                        |                   |              | : [20]: and is yellow.
21      17 |                        |                   |              | : [21]: Who should buy the table high?
22      17 |                        |                   |              | : GARRETT] [22]:  Do you have any cheap yellow or green chairs?
23      16 |                        |                   |     1        | :STEVE] [23]:  Yes, I have 3 green chairs
24      17 |                        |                   |              | : [24]: that cost \$50 each.
25      17 |                        |                   |              | : [25]: Do you want me to buy some?
26      16 |                        |                   |     1        | :GARRETT] [26]:  yes buy 3 green chairs for \$50 each
27      17 |                        |                   |              | [27]: and I'll buy the green table high for 200 dollars
28      12 |                        |                   |     5        | :STEVE] [28]:  Sounds good,
29      16 |                        |                   |     1        |        :[29]: let's go ahead and buy
30      17 |                        |                   |              | : GARRETT] [30]:  That leaves us with 300 dollars total
31      17 |                        |                   |              | : [31]: I have a green chair
32      17 |                        |                   |              | : [32]: I'll buy for 100 dollars.
33      17 |                        |                   |              | : [33]: Okay?
34      12 |                        |                   |     5        | :STEVE] [34]:  That sounds good.
35      16 |                        |                   |     1        | :[35]: Go ahead and buy it.
N = 35 k = 17
```