With no explanation, chose the best option from "A" or "B". Elliot learned facts about a singer he'd never heard of, later on Johnny asks him about the same singer. Elliot wants to continue the conversation with Johnny.

A: Elliot realizes that while that singer is unimportant to Elliot, it's important to Johnny and thus tells him about it.
B: Elliot doesn't tell Johnny about the singer because Elliot doesn't care about the singer.
A.