Read the dialogue and answer the question.

(1) Emma: I will go to the cinema tonight if it doesn’t rain.

(2) Oliver: Not so easy, little sis.

(3) Emma: Why?

(4) Oliver: Remember what mom always says? You will not go anywhere unless your room is clean. And yours is a shipwreck.

(5) Emma: It’s not that messy! Fine. I’m going to clean my room now.

Which sentence(s) is/are in the first conditional?