With no explanation, chose the best option from "A" or "B". John and Sally have been dating for six years and Sally asks John if he's ever going to ask her to marry her. John wants to respond to Sally's question.

A: John tells Sally that he definitely plans on marrying her and that in fact they can should start talking about it more seriously.
B: John tells Sally that marriage is just a piece of paper and that he'll never leave her anyway so what's the difference?
A.