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.

[Q]: Sentence1: Fred carefully unhitched the rented trailer. Sentence2: As he went to strap on the chain he noticed a missing link! Sentence3: He ducked under the trailer to find the rest of the chain. Sentence4: Fred hadn't properly set the brake and it rolled backwards. Sentence5: He slowly starved to death and was eaten by wild animals.
[A]: Fred

[Q]: Sentence1: Every Saturday night my friends go bowling. Sentence2: Last week they invited me. Sentence3: I was so excited to go bowling with them. Sentence4: When we went bowling I did not do very well. Sentence5: Even though I didn't bowl well I had a lot of fun with my friends.
[A]: I (myself), Friends

[Q]: Sentence1: Brad build a bomb shelter when the war broke out. Sentence2: The war was never serious and eventually the tension ceased. Sentence3: Brad felt like he wasted his time on the shelter. Sentence4: The next week scientists said a meteor was headed to earth. Sentence5: Brad felt like luck was on his side.
[A]:
Scientists, Brad