Congratulations to nprofile1qqsvqses4kkaj5yvrtgudm0q4m2ajg4rv4czrym7yp26srqm9pjueacpp4mhxue69uhkummn9ekx7mq8zkrsf for solving the puzzle! Here is the answer:

A: The man was trapped in a room made of ice. As the ice melted, water filled the room, and the door's ice lock melted. He drowned. The remaining water spread and eventually froze again.

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