TASK DEFINITION: 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.
PROBLEM: Sentence1: Sheena fell asleep last night with gum in her mouth. Sentence2: The gum must have fallen out while she was sleeping. Sentence3: When she woke up this morning she had the gum stuck in her hair. Sentence4: Her mom had to cut the gum out of hair. Sentence5: Sheena's hair looks funny now.

SOLUTION: Sheena, Her mom

PROBLEM: Sentence1: Rivera was disgusted by eggplants. Sentence2: He did not like the color of them at all. Sentence3: One day, there was nothing in his house except eggplants. Sentence4: He was forced to eat it and he liked it. Sentence5: Now, Rivera likes eating eggplants.

SOLUTION: Rivera

PROBLEM: Sentence1: Alex was asleep in the nurse's office at school. Sentence2: He awoke to see his dad waiting for him. Sentence3: His dad was an hour late. Sentence4: Alex was mad at his father for making him wait. Sentence5: Dad bought Alex pizza to make up for being late.

SOLUTION:
Dad, Alex