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.

Sentence1: I was super nervous for my science test yesterday. Sentence2: I studied very hard but it didn't calm my nerves enough. Sentence3: As I walked into the room I wanted the test over with. Sentence4: Finally I started taking the test. Sentence5: Thankfully it wasn't as hard as I thought it would be.
I (myself)

Sentence1: We sat down to talk about our problems. Sentence2: He said he wanted to work it out. Sentence3: I told him I didn't know if we could. Sentence4: He said he would start to change. Sentence5: I told him I would try one more time.
I (myself)

Sentence1: An old man was working in his garden one day. Sentence2: He heard a loud bang, but wasn't sure what it was. Sentence3: He looked up and saw a five foot monitor lizard climbing on his house! Sentence4: The old man called a local wildlife reserve institute. Sentence5: They came and safely removed the lizard to its natural habitat.
Wildlife reserve institute, Monitor lizard, Man