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: 'martha stewart holding a fluffy siamese cat on her arms'. How many words contain the letter 'a' in the sentence.

Answer: 6

Question: Sentence: 'a woman bent down on the street holding her umbrella'. How many words contain the letter 'x' in the sentence.

Answer: 0

Question: Sentence: 'a mini van with a surfboard on top driving along a road'. How many words contain the letter 'y' in the sentence.

Answer:
0