Detailed Instructions: 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.
Q: Sentence1: Tim took Laura out to the park. Sentence2: She had no clue what was happening. Sentence3: To her surprise, he got down on one knee. Sentence4: Tim proposed to her. Sentence5: Laura was shocked.
A:
Laura, Tim