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 person skiing down part of a marked race course'. How many words contain the letter 'z' in the sentence.

Answer: 0


Question: Sentence: 'two men and two men having drinks at a bar'. How many words contain the letter 'g' in the sentence.

Answer: 1


Question: Sentence: 'half dozen doughnuts displayed by worker in cardboard box'. How many words contain the letter 'e' in the sentence.

Answer:
3