A: Where are you going?

B: I'm going to buy some flowers for Valentine's Day.

A: Who are the flowers for?

B: My mom, my sister, and my girlfriend.

A: Wow, you are very thoughtful.

B: I don't really know which flowers to buy, though.

A: Well, for your girlfriend, something romantic.

B: Red roses, of course.

A: For your mother, something that smells nice.

B: Carnations! She loves carnations.

A: And for your sister?

B: I'll buy her some pink roses. Thanks for your help!