John was in a ship. It began taking water. He was worried because the ship might do what?\nOptions:\n- sink\n- glass\n- fly\n- ocean\n- surface of earth
Let's think now! Step-by-step reasoning:
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Ships may sink if it began to take water. John was in a ship that began taking water so he was worried that the ship might sink.
So, the final answer is sink.
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