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 apple that is sitting on top of a knife'. How many words contain the letter 'u' in the sentence.

Answer: 0


Question: Sentence: 'four white and blue street signs on a wooden pole'. How many words contain the letter 'u' in the sentence.

Answer: 2


Question: Sentence: 'a giraffe is walking up a grassy and rocky hill'. How many words contain the letter 'o' in the sentence.

Answer:
1