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: 'there is a person awaiting to cross this street'. How many words contain the letter 'a' in the sentence.

Answer: 2


Question: Sentence: 'a kitchen filled with appliances and furniture next to windows'. How many words contain the letter 'p' in the sentence.

Answer: 1


Question: Sentence: 'a bed and a bath in a room'. How many words contain the letter 'm' in the sentence.

Answer:
1