In this task, you are given a word. You should respond with a valid sentence which contains the given word. Make sure that the sentence is grammatically correct. You may use the word in a different tense than is given. For example, you may use the word 'ended' in the output where the given input word is 'end'.
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Question: piece

Answer: It was a nice piece of work.


Question: day

Answer: After that day she never trusted him again.


Question: mouth

Answer:
They built a fire at the mouth of the cave.