With no explanation, chose the best option from "A" or "B". Bob is talking with a coworker but it seems like they are trying to get work done and that Bob might be annoying them. Bob wants to decide whether to keep talking to his coworker.

A: Bob keeps talking to the coworker figuring that they would tell him to stop if they wanted him to.
B: Bob decides it's best to leave the coworker alone to do their work and see if they instigate further conversation.
B.