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 crowd of people flying kites near the capitol building'. How many words contain the letter 'a' in the sentence.

Answer: 3


Question: Sentence: 'a plate with a grilled sanwich next to a bowl of tomato soup'. How many words contain the letter 'a' in the sentence.

Answer: 6


Question: Sentence: 'a man is throwing a frisbee underneath some utility wires'. How many words contain the letter 'w' in the sentence.

Answer:
2