7. Sunburn

A: I want to take off my shirt.

B: Why do you want to do that?

A: My shoulders hurt from yesterday.

B: What happened yesterday?

A: I went to the beach.

B: Are you sore from swimming?

A: No, I didn't go swimming.

B: Then what happened?

A: I fell asleep without a shirt on.

B: Then you must have bad sunburn!

A: I do. My shirt makes it worse.

B: It's too bad we're in school.