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 large pizza smothered in cheese and sauce'. How many words contain the letter 'a' in the sentence.

Answer: 5


Question: Sentence: 'an old motorcycle with the seat missing parked in a garage with other parts and motorcycles'. How many words contain the letter 'r' in the sentence.

Answer: 6


Question: Sentence: 'a dog and a man sit at a table to eat'. How many words contain the letter 'n' in the sentence.

Answer:
2