With no explanation, chose the best option from "A" or "B". Bill sleeps with a woman at her apartment, and she tells him she is leaving the country forever the next day. Bill wants to have something of the woman's to remember her by.

A: Bill asks the woman for something of hers to remember her by, and she gives him a lock of her hair.
B: Bill takes a pair of the woman's underwear without her permission and takes them with him when he leaves.
A.