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 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: 'a woman is smiling next to a dog'. How many words contain the letter 'j' in the sentence.

Answer: 0


Question: Sentence: 'a black dog is looking away from the camera'. How many words contain the letter 'w' in the sentence.

Answer:
1