instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'street signs are affixed to a utility pole'. How many words contain the letter 'u' in the sentence.
answer:
1


question:
Sentence: 'antique fire truck restored and displayed at outdoor event'. How many words contain the letter 'x' in the sentence.
answer:
0


question:
Sentence: 'a women who is holding a dog looking into a mirror'. How many words contain the letter 'n' in the sentence.
answer:

4