Помогите пожалуйста.

choose the correct response.
A: Good morning, Paul.
B: a Good morning, Ann.
b And you?

A: How are you?
B: a I'm fine, thanks.
b Thank you.

A: Goodbye, Tony.
B: a How are you?
b Goodbye, Sally. See you later.

A: See you later!
B: a See you.
b Fine, thanks