With no explanation, chose the best option from "A" or "B". Logan is going for a walk with his girlfriend when she mentions that she'd do anything for a cupcake right now. Logan wants to make his girlfriend laugh.

A: Logan tells his girlfriend that he will buy her soul for the price of a cupcake.
B: Logan tells his girlfriend that he'll buy her a cupcake if she promises to never sell her soul.
B.