With no explanation, chose the best option from "A" or "B". Tammy has been single for a while, and she realizes she can't stop thinking about the crush she has on a friend's ex-boyfried. Tammy wants to pursue a relationship with her friend's ex-boyfriend.

A: Tammy contacts her friend's ex-boyfriend, and they start dating and run into Tammy's friend while out one night.
B: Tammy contacts her friend to see if her friend would have any feelings about her dating the ex-boyfriend.
B.