With no explanation, chose the best option from "A" or "B". Sally has been going out with her boyfriend for 6 months and is having a date at his house. Sally wants to have a good night with her boyfriend.

A: Sally enjoys her date night, has sex with her boyfriend leading to her having a baby 9 months later.
B: Sally has a good night at her boyfriends and insists on using protection when they have sex.
B.