In this task, you need to count the number of words in a sentence that contain the given letter

Q: Sentence: 'a fire hydrant on the side of the road near a building'. How many words contain the letter 'a' in the sentence.

A: 5
****
Q: Sentence: 'a teenager and child are fighting for a frisbee'. How many words contain the letter 'm' in the sentence.

A: 0
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Q: Sentence: 'a red stop sign sitting next to a wooden pole'. How many words contain the letter 'n' in the sentence.

A:
4
****