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: 'unusual round vase with flower stems inside it'. How many words contain the letter 'c' in the sentence.

Answer: 0

Question: Sentence: 'a business man is talking on the phone'. How many words contain the letter 'e' in the sentence.

Answer: 3

Question: Sentence: 'a silver motorcycle engine with a black leather seat'. How many words contain the letter 'l' in the sentence.

Answer:
4