Q: 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: Kelsea wanted to learn to blow a bubble like her mom. Sentence2: Her mom explained that it would take a lot of practice. Sentence3: Kelsea popped a piece of gum in her mouth. Sentence4: She struggled for a long while until she finally learned. Sentence5: Kelsea can now blow a giant bubble like her mother.
A:
Kelsea, Her mom