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 cat is laying in a piece of luggage'. How many words contain the letter 'p' in the sentence.

Answer: 1


Question: Sentence: 'multiple birds on the ground in a parking lot'. How many words contain the letter 'm' in the sentence.

Answer: 1


Question: Sentence: 'a surfer falling off his surf board at the top of a wave'. How many words contain the letter 's' in the sentence.

Answer:
3