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 person that is fixing a pillow on a couch'. How many words contain the letter 's' in the sentence.

Answer: 2


Question: Sentence: 'a large clock tower under a grey cloudy sky'. How many words contain the letter 'l' in the sentence.

Answer: 3


Question: Sentence: 'young man on a large sports field having just thrown a frisbee'. How many words contain the letter 'u' in the sentence.

Answer:
2