With no explanation, chose the best option from "A" or "B". John is on a date at a restaurant with his new girlfriend Mary, who is feeling down. John wants to cheer Mary up.

A: John gives Mary some heartfelt advice about what he did when he was facing a similar problem.
B: When John and Mary's waiter is just out of earshot, John imitates his speech impediment in a funny manner.
A.