“It is therefore best not to try to drink your sloshing coffee on a roller coaster, making B the best answer. Although surely you are tough enough to endure the occasional hot splash of java, your roller-coastering neighbors might not be as tough as you. They might volunteer to you, perhaps unsolicited, perhaps loudly, their opinions about being splashed by your hot coffee. Also, after the ride, looking at your clothes, your friends might think you wet yourself.”