A. The man hasn’t celebrated his birthday for two years.
B. The man didn’t have a party for his last birthday.
C. The man doesn’t want to have fish on his birthday party.
D. It’s been two years since the man last went fishing.

A. A substance often served with hot dogs.
B. A substance also known as N-nitroso compounds.
C. A substance causing cancer in lab animals.
D. A substance used to keep hot dogs fresh.