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

Q: Sentence: 'a laptop a table a mouse some dirt and water'. How many words contain the letter 'u' in the sentence.

A: 1
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Q: Sentence: 'a little boy that is sitting near two birds'. How many words contain the letter 'm' in the sentence.

A: 0
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Q: Sentence: 'a bus stopped at a bus stop with a bike on the front of it'. How many words contain the letter 'n' in the sentence.

A:
2
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