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 is sitting in a cubicle with a computer'. How many words contain the letter 'a' in the sentence.

Answer: 4


Question: Sentence: 'a couple poses under a banner of a turkey'. How many words contain the letter 'v' in the sentence.

Answer: 0


Question: Sentence: 'a number of teams rowing boats in a large stretch of water'. How many words contain the letter 'u' in the sentence.

Answer:
1