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: 'people holding a surfboard and walking down the beach'. How many words contain the letter 'n' in the sentence.

Answer: 4


Question: Sentence: 'many people are playing a sports video game while standing up'. How many words contain the letter 'l' in the sentence.

Answer: 3


Question: Sentence: 'there are two bunk beds and a decoration of flowers'. How many words contain the letter 'a' in the sentence.

Answer:
4