TASK DEFINITION: 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.
PROBLEM: Sentence1: On a very hot day, Steve was outside with his dog when his phone rang. Sentence2: A friend urgently needed him, and Steve jumped in his car to go help. Sentence3: He texted his wife to let the dog in and spent hours with his friend. Sentence4: Coming home, he was horrified to see his dog motionless in the dirt. Sentence5: His wife never got the text, and trapped outside, the dog had died.

SOLUTION: Steve, His dog, His friend, His wife

PROBLEM: Sentence1: May was a teacher at a high school. Sentence2: She had come to hate her job. Sentence3: At finals she gave the students a relatively easy assignment. Sentence4: She was shocked to see there was little effort from the students. Sentence5: May decided to just give everyone a passing grade and be done with it.

SOLUTION: May, The students

PROBLEM: Sentence1: Ava was nervous for her doctor's appointment. Sentence2: She had to get a shot so she could go to Kindergarten. Sentence3: At her appointment she sat in her Dad's lap. Sentence4: Ava got her shot and was very brave. Sentence5: After the appointment, Ava's Dad took her to get ice cream.

SOLUTION:
Dad, Ava, Doctor