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: 'some zebras dirt plants and bushes'. How many words contain the letter 'r' in the sentence.

Answer: 2


Question: Sentence: 'some people are sitting around a black table'. How many words contain the letter 'v' in the sentence.

Answer: 0


Question: Sentence: 'the baseball player has the ball and is ready to throw'. How many words contain the letter 'a' in the sentence.

Answer:
6