With no explanation, chose the best option from "A" or "B". Robin is at his apartment and notices his roommate threw away half of a salad in the trash. Robin doesn't want the food to go to waste.

A: Robin removes the salad from the trash and walks it outside to throw it in the compost pile.
B: Robin carefully removes the salad from the bin and decides it is safe to eat because it was on top.
A.