user
Given a cartoon image and a caption. Caption: All his pitches have been inside. Question: Generating an explanation of why this image/caption combination is funny. Answer: 
assistant
A play on words. An "inside pitch" in baseball usually means a pitch that is close to the batter. But here, "inside" literally means inside a house --- the woman on the phone is exasperatedly explaining that she's tired of her spouse, the pitcher, playing baseball inside their house.