Read the dialogue and answer the question.

(1) Marge: What is your favorite animal?
(2) Joey: Cats, of course. If it wasn’t for my cats, my life would be boring. How about you?
(3) Marge: I really like horses! I would ride a horse if I had one.
(4) Joey: You do? I didn’t expect that from you. That’s really cool, Marge.
Which sentence(s) is/are in the second conditional?