Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence1: Oscar was a five year old boy. Sentence2: One day he sneaked his Mom's phone into the bathroom. Sentence3: Oscar went to use the toilet and the phone slipped out of his hand. Sentence4: Oscar pulled it out of the toilet and rinsed it in the sink. Sentence5: Later, Oscar's mom was angry to find her phone was wet and broken.
Student:
Mom, Oscar