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 stands in the grass near a tree'. How many words contain the letter 'c' in the sentence.

Answer: 0


Question: Sentence: 'a room with a mirror and a desk with a monitor'. How many words contain the letter 'z' in the sentence.

Answer: 0


Question: Sentence: 'a tennis player after hitting the tennis ball'. How many words contain the letter 'n' in the sentence.

Answer:
3