With no explanation, chose the best option from "A" or "B". Phil makes a pan of pot brownies for a party with friends and a pan of regular brownies for a work event. Phil wants to make sure he takes the right brownies to the right event.

A: Phil samples brownies from both pans to identify the non-pot pan before work.
B: Phil bakes the pot brownies in a metal pan and the regular ones in a glass pan.
B.