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 is seen at the airport with other airplanes'. How many words contain the letter 'z' in the sentence.

Answer: 0


Question: Sentence: 'a little boy learning to throw a frisbee'. How many words contain the letter 'h' in the sentence.

Answer: 1


Question: Sentence: 'a group of five people enjoying a white water rafting experience'. How many words contain the letter 'f' in the sentence.

Answer:
3