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 green and white street sign on a pole and a light'. How many words contain the letter 's' in the sentence.

Answer: 2


Question: Sentence: 'two cats stand beside a pink door and potted plants'. How many words contain the letter 'z' in the sentence.

Answer: 0


Question: Sentence: 'two dogs are looking out a car door window'. How many words contain the letter 'y' in the sentence.

Answer:
0