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 airplane that has a propeller on the wing'. How many words contain the letter 'z' in the sentence.

Answer: 0


Question: Sentence: 'he wants everyone to know that he has serious intentions for the tennis game'. How many words contain the letter 'h' in the sentence.

Answer: 5


Question: Sentence: 'a bird is flying over the water near mountains'. How many words contain the letter 'c' in the sentence.

Answer:
0