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

Q: Sentence: 'a man and a woman stand under an umbrella'. How many words contain the letter 's' in the sentence.

A: 1
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Q: Sentence: 'a man holding a frisbee above a crowd of young men'. How many words contain the letter 'i' in the sentence.

A: 2
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Q: Sentence: 'a cat sleeping on a bench in the sun'. How many words contain the letter 'a' in the sentence.

A:
3
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