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!