With no explanation, chose the best option from "A" or "B". Greg has an overweight coworker who has no interest in anything health-related that Greg tells him. Greg wants his coworker to get healthier.

A: Greg continues to tell his coworker about ways to improve his health and gives him books about it.
B: Greg asks his coworker if he wants to go out walking or for some physical activity whenever the chance arises.
B.