instruction:
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.
question:
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.
answer:
Dave

question:
Sentence1: Bret went mountain climbing in Alaska. Sentence2: He was near the summit of the mountain when a storm struck. Sentence3: Bret had to build a snow cave to keep warm. Sentence4: Bret survived the storm that lasted two days. Sentence5: Bret was glad that he knew mountain survival techniques.
answer:
Bret

question:
Sentence1: Yesterday I went to the salon. Sentence2: I needed to get my nails done. Sentence3: The nail artist painted them purple. Sentence4: They looked great. Sentence5: I couldn't wait to show my friends.
answer:
I (myself), Nail artist