Marine Biologist: You can’t kill a 13 year old girl, no one actually becomes a marine biologist, they just all want to.

Sociologist: Trick them into going to a psychology convention, the crowd will do the work for you.

Psychologist: See above, reverse it. Might be harder to trick, tell them someone in there said they’re just an anthropologist who’s bad at math.

Anthropologist: Take away their teaching license, can no longer feed themselves because no one else is hiring them.