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: On a sidewalk i saw an old man carrying his heavy bag. Sentence2: I helped him carry his bag along to the bus where he rides. Sentence3: He bid thanks and he wants to give me money. Sentence4: I didn't accept it because i'm not expecting anything in return. Sentence5: Then he said he admires me of my good deeds.
[A]: I (myself), Old man

[Q]: Sentence1: My dog died last year from old age. Sentence2: He was buried under a huge pink rose bush. Sentence3: We buried him inside his favorite carrier, a red one. Sentence4: We placed a professionally made stone on his grave. Sentence5: The inscription said he was a dog with the heart of a lion.
[A]: I (myself), Dog

[Q]: Sentence1: John got a new cat and was worried how it would take to the old one. Sentence2: He tried everything but the old cat would always act mean. Sentence3: One day the old cat was stuck in a box and the young cat helped it. Sentence4: Ever since they became best friends. Sentence5: John was so happy with the result, he got another cat.
[A]:
Another cat, John, Old cat, New cat