instruction:
In this task, you are given a word, followed by a sentence. You should respond with a valid sentence which contains the word used with a different meaning than in the given sentence. For example, if the given sentence refers to a 'fly' as the insect, you may respond with a sentence which uses 'fly' as the verb; however, you may NOT respond with a sentence which uses 'fly' as the insect. 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'.
question:
letter 
 Sentence: Mailed an indignant letter to the editor.
answer:
A blood letter.


question:
stroke 
 Sentence: The pregnancy was a stroke of bad luck.
answer:
She applied the paint in careful strokes.


question:
union 
 Sentence: There is strength in union.
answer:

Let C be the union of the sets A and B.


