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: Troy had not seen his family in years. Sentence2: Troy had been living in another country. Sentence3: He longed to see his family. Sentence4: He bought a plane ticket. Sentence5: He visited his family on Thanksgiving.

SOLUTION: Troy, Family

PROBLEM: Sentence1: Bob called Erica to ask her to a Valentine's Day date. Sentence2: She told him yes that she would love to go with him. Sentence3: He was excited about the upcoming date. Sentence4: He planned everything for the perfect night. Sentence5: When he picked her up she was smiling and happy.

SOLUTION: Bob, Erica

PROBLEM: Sentence1: A bird flew in the sky and landed on a tree by my house. Sentence2: I noticed it and went to the window to see it better. Sentence3: I called to my wife to see if she knew what kind of bird it was. Sentence4: She grabbed her bird book and started to flip through it. Sentence5: She told me that it was most likely as goldfinch.

SOLUTION:
I (myself), Bird, Wife