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: 'five kids playing with frisbees on a sunny day'. How many words contain the letter 'p' in the sentence.

Answer: 1


Question: Sentence: 'a group of kids are participating in a swim class'. How many words contain the letter 'l' in the sentence.

Answer: 1


Question: Sentence: 'a sign pole with a crosswalk sign on it as well as a street and bus sign'. How many words contain the letter 'e' in the sentence.

Answer:
3