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 are trains that are on the train track'. How many words contain the letter 'z' in the sentence.

Answer: 0


Question: Sentence: 'a close up of a business sign on a building'. How many words contain the letter 'y' in the sentence.

Answer: 0


Question: Sentence: 'a group of bears sitting next to each other on a sidewalk'. How many words contain the letter 't' in the sentence.

Answer:
4