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: My sister is afraid of spiders. Sentence2: She jumps and screams every time she sees one. Sentence3: I love teasing her with spiders and watching her run away. Sentence4: At school, my sister learned about spiders and was no longer afraid. Sentence5: Now I can't have fun teasing her about spiders.
I (myself), My sister, Spider, Spiders

Sentence1: I once had a green bicycle. Sentence2: I was a very nice bike. Sentence3: I couldn't let anyone ride it though, even if I'd liked. Sentence4: It made everyone sad that they couldn't ride my bike. Sentence5: Eventually i got a new bike so that people could ride it.
I (myself), Anyone

Sentence1: Cathy decided to have a BBQ for July 4th. Sentence2: Cathy invited her friends and family to the event. Sentence3: Cathy let her uncle cook food on the grill, while she played music. Sentence4: After about 20 minutes, Cathy noticed heavy smoke near the grill. Sentence5: Cathy was angry, because all the food on the grill was burned.
Cathy, Cathy's friends