A: Has Alan shown up yet?

B: Nope. I guess something might have come up.

A: I wonder what happened.

B: I don't know. I hope it's nothing serious.

A: Last week his sister was admitted to the hospital.

B: Oh? What happened?

A: His sister had a car accident last week.

B: Is she fine now?

A: She is still in a coma.

B: Oh, poor Alan! His sister is the only one he has left since his parents died last year.