Context: He and his wife bid me good night later ( both a bit tipsy ) as they went to get their seats . I looked later ( very sneakily , as there were cameras around and I was pretty sure something about the whole thing was wrong ) , and he gave me a TWENTY . For two glasses of wine that they did n't even finish !

Question: What might I do after receiving the large tip ?
Options:
0. I might try to hide my thanks to the couple .
1. I might try to express my resentment to the couple .
2. I might try to express my anger to the couple .
3. I might try to express my thanks to the couple .
Answer: 3