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: Lucy sat at the police station. Sentence2: She'd been lost and a kind stranger brought her here. Sentence3: She sat with puffy swollen tear stained eyes waiting on her grandpa. Sentence4: An officer gave her a soda while she waited. Sentence5: She was so happy to see grandpa when he arrived, she knocked it over.
Grandpa, Lucy, Kind stranger, Officer

Sentence1: Jane decided to take a trip to the Caribbean. Sentence2: While on her trip, Jane was bitten by a mosquito. Sentence3: Jane started to feel ill after being bitten. Sentence4: Jane went to the hospital upon her return home. Sentence5: Jane was diagnosed with the Zika virus.
Jane, Mosquito

Sentence1: Sarah works in an biomedical research lab. Sentence2: She works very long hours and gets very tired. Sentence3: Slowly, she accumulates a lot of data. Sentence4: Soon, she publishes a paper in a prestigious journal. Sentence5: Her paper is cited many times and is considered important work.
Sarah