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 Friday night, Bobby wanted to hang out with his friends. Sentence2: All of his friends were busy tonight though. Sentence3: So Bobby made imaginary friends. Sentence4: Bobby hung out with his imaginary friends. Sentence5: Later Bobby went to sleep and was happy with his new squad.

SOLUTION: Friends, Imaginary friends, Bobby

PROBLEM: Sentence1: Carl needed to lose weight. Sentence2: He found it very hard since he loved candy. Sentence3: He decided he would stop having candy in the house. Sentence4: He found it much easier to lose weight this way. Sentence5: Soon, Carl was down ten pounds and didn't miss eating candy at all.

SOLUTION: Carl

PROBLEM: Sentence1: Tim hated romance movies. Sentence2: His girlfriend really liked them. Sentence3: Tim was forced to watch one with her. Sentence4: He kept complaining and whining throughout. Sentence5: Eventually his girlfriend stopped the movie and kicked him out.

SOLUTION:
His girlfriend, Tim