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: Dave was a scientist. Sentence2: Dave wanted to make a great scientific discovery. Sentence3: Dave worked with algae to make electricity. Sentence4: Dave discovered he could make electricity with algae! Sentence5: Dave was awarded for his great discovery.
Dave

Sentence1: Jan lived in an apartment in town. Sentence2: The apartment didn't have any air conditioning or fans. Sentence3: It was a hot and steamy afternoon. Sentence4: Jan decided to open a window to get some air moving. Sentence5: Now Jan's cats are missing.
Jan, Jan's cats

Sentence1: Tony had been asked for a donation for the local food bank. Sentence2: Tony had never used the food bank. Sentence3: He also did not have any friends or family that use the food bank. Sentence4: He was not sure if it would be beneficial to give. Sentence5: After careful consideration he gave a small donation.
Tony, Family, Food bank