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 field is next to a river'. How many words contain the letter 'j' in the sentence.

Answer: 0

Question: Sentence: 'some zebras dirt plants and bushes'. How many words contain the letter 'r' in the sentence.

Answer: 2

Question: Sentence: 'there is a woman that is playing a video game'. How many words contain the letter 'n' in the sentence.

Answer:
2