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'.

[Q]: age
[A]: It was replaced because of its age.


[Q]: cot
[A]: A roller cot (the clothing of a drawing roller in a spinning frame).


[Q]: difficulty
[A]:
They agreed about the difficulty of the climb.