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: I visited a Facebook page accusing BLS of racism. Sentence2: BLS is short for Boston Latin School, a prestigious school. Sentence3: Several students wrote BLS fostered racism. Sentence4: I was a BLS graduate, and remembered racist incidents. Sentence5: I am preparing to add my comments to the page.
[A]: I (myself), Students

[Q]: Sentence1: Edward was lonely and wanted a girlfriend so he started dating. Sentence2: He went on a date with a girl named Joy. Sentence3: Edward liked her but she didn't like him so he got angry at her. Sentence4: Joy told Edward he had an anger problem and needed help. Sentence5: Edward discovered his anger prevented him from finding love.
[A]: Joy, Edward

[Q]: Sentence1: Terry always enjoyed playing chess. Sentence2: He challenged his grandfather to a game. Sentence3: His grandfather was very good. Sentence4: They played many games that afternoon. Sentence5: Terry and his grandfather both won and had a good time.
[A]:
Grandfather, Terry