In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.

Sentence1: Annie decided to make her own cards to hand out on Valentine's Day. Sentence2: She gathered materials and worked hard to make each card special. Sentence3: Annie pictured how pleased her classmates would be with the cards. Sentence4: At school, Annie saw her classmates swooning over store bought cards. Sentence5: She stuck her homemade cards in her backpack instead of giving them.
Classmates, Annie