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: 'two men standing next to a black motorcycle'. How many words contain the letter 'q' in the sentence.

Answer: 0


Question: Sentence: 'several containers of food sitting on a table beside a blue mug'. How many words contain the letter 's' in the sentence.

Answer:
4