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 biscuit that someone has taken a bite out of'. How many words contain the letter 'k' in the sentence.

Answer: 1


Question: Sentence: 'a woman is standing at a fruit stand'. How many words contain the letter 'y' in the sentence.

Answer: 0


Question: Sentence: 'people are riding elephants around while other people stand'. How many words contain the letter 'r' in the sentence.

Answer:
4