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 group of people dressed professionally outside'. How many words contain the letter 'j' in the sentence.

Answer: 0


Question: Sentence: 'a persons desk with a computer and many books in a case behind it'. How many words contain the letter 'd' in the sentence.

Answer: 3


Question: Sentence: 'two people shake hands over a tennis net'. How many words contain the letter 's' in the sentence.

Answer:
3