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 skateboard up in air at a skateboard park'. How many words contain the letter 's' in the sentence.

Answer: 2

Question: Sentence: 'a little girl sitting on the floor reading a book'. How many words contain the letter 'n' in the sentence.

Answer: 3

Question: Sentence: 'a single ram standing on a grassy hill'. How many words contain the letter 'u' in the sentence.

Answer:
0