In this task, you need to count the number of words in a sentence that contain the given letter
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Question: Sentence: 'a man in a restaurant makes the v sign with both hands'. How many words contain the letter 'n' in the sentence.

Answer: 5


Question: Sentence: 'two cats stand beside a pink door and potted plants'. How many words contain the letter 'z' in the sentence.

Answer: 0


Question: Sentence: 'a cat props itself up to look out a window screen'. How many words contain the letter 'v' in the sentence.

Answer:
0