With no explanation, chose the best option from "A" or "B". Trevor's friend forgot their asthma inhaler and wants Trevor to wait for them to go get it. Trevor wants to reply to his friend.

A: Trevor tells their friend that asthma is no big deal, so they should just leave without the asthma inhaler.
B: Trevor says that his friend should go get their asthma inhaler just in case.
B.