With no explanation, chose the best option from "A" or "B". Charles walks into the house carrying a whoopie cushion, and he notices his father's new girlfriend  Susan talking to a group of well dressed people in the kitchen. Charles wants to amuse himself.

A: Charles slips the whoopie cushion on Susan's chair before hiding behind the couch.
B: Charles greets Susan before he watches his favorite television show.
B.