Point 38 in PRONOUNS/demonstratives is defined:
RESPONSE TOKENS WITH ‘that’s’ + adjective to respond to something
However, the EGP examples do not always contain an adjective:
FOR EXAMPLE:
Do you always go to the same place?
Oh, that’s awesome!
An iWeb search for:
That _VBZ * !
1 THAT ‘S IT ! 12397
2 THAT ‘S RIGHT ! 3023
3 THAT ‘S GREAT ! 1768
4 THAT ‘S AWESOME ! 1053
5 THAT ‘S ALL ! 930
6 THAT IS IT ! 815
7 THAT ‘S OKAY ! 787
8 THAT ‘S OK ! 679
9 THAT IS AWESOME ! 576
10 THAT ‘S GOOD ! 477
11 THAT ‘S ME ! 462
12 THAT ‘S FINE ! 369
13 THAT IS GREAT ! 358
14 THAT ‘S AMAZING ! 356
15 THAT IS AMAZING ! 314
16 THAT ‘S WHY ! 304
17 THAT ‘S WHAT ! 302
18 THAT ‘S CRAZY ! 282
19 THAT ‘S COOL ! 280
20 THAT IS ALL ! 215
1 THAT ‘S FOR SURE ! 1181
2 THAT ‘S NOT ALL ! 1078
3 THAT ‘S ABOUT IT ! 298
4 THAT ‘S IT ! ! 237
5 THAT IS FOR SURE ! 210
6 THAT ‘S ANOTHER STORY ! 200
7 THAT IS THE QUESTION ! 175
8 THAT ‘S A LOT ! 165
9 THAT ‘S NOT TRUE ! 164
10 THAT IS SO COOL ! 161
11 THAT ‘S GREAT NEWS ! 134
12 THAT ‘S A WRAP ! 130
13 THAT ‘S JUST ME ! 114
14 THAT ‘S THE POINT ! 104
15 THAT ‘S ALL FOLKS ! 95
16 THAT IS SO AWESOME ! 88
17 THAT ‘S NOT FAIR ! 88
18 THAT ‘S SAYING SOMETHING ! 87
19 THAT ‘S THE SPIRIT ! 84
20 THAT ‘S SO COOL ! 77
A2:
amazing, another, awesome, cool, crazy, fair, just, news, point, so, story, sure, true