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 man with a long coat and a hat skating on the road'. How many words contain the letter 'q' in the sentence.

Answer: 0


Question: Sentence: 'a pile of stuffed brown teddy bears wearing clothing'. How many words contain the letter 'w' in the sentence.

Answer: 2


Question: Sentence: 'a man in black swim trunks and a red lifejacket water skiing'. How many words contain the letter 'r' in the sentence.

Answer:
3