With no explanation, chose the best option from "A" or "B". Jack is out on a date with Justine at a very, nice restaurant. Jack wants Justine to like him a lot.

A: When Jack get the bill, he adds on a tip and thanks the server for such a nice dining experience.
B: When Jack gets the bill, he realizes he is short on cash, so he decides to forego giving the server a tip.
A.