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: 'an elephant near a man sitting down'. How many words contain the letter 'y' in the sentence.

Answer: 0


Question: Sentence: 'a black sign that is standing in the grass'. How many words contain the letter 'f' in the sentence.

Answer: 0


Question: Sentence: 'a police officer standing next to a no left turn sign'. How many words contain the letter 'o' in the sentence.

Answer:
4