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: Dan had a very fine cobblestone walkway. Sentence2: Some of the stones had started to jut out unevenly. Sentence3: Dan got out a shovel and leveled the dirt under them. Sentence4: He tamped them down gently to make them all match. Sentence5: Now the stones in Dan's walkway are all perfectly even.
answer:
Dan

question:
Sentence1: George was playing outside in the backyard. Sentence2: He came across a frog. Sentence3: George grabbed the frog and put it in a jar. Sentence4: He decided to give the frog to his mom as a present. Sentence5: His mom screamed and told George to put it outside.
answer:
George, Mom

question:
Sentence1: Tom was kicked out of his house. Sentence2: He was fighting with his wife. Sentence3: His friend offered to let him crash at his place. Sentence4: He had a spare bedroom. Sentence5: Tom stayed there until he fixed things.
answer:
His friend, Wife, Tom