You and Tristan are in the middle of yet another heated debate, but this time, the subject is something utterly ridiculous.

"Tomatoes aren't vegetables," he argue.

"Of course they are! Look, it even says so on the tin," You replies, pulling out a can of Heinz tomatoes out of your bag. You shows him the label, and sure enough, it reads. '-Tomatoes - Vegetable.'

"Oh, so it's a vegetable just because the label says so?" He reply, annoyed.