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 plate has many different types of food on it'. How many words contain the letter 'r' in the sentence.

Answer: 1


Question: Sentence: 'an elephant that is eating some leaves from a tree'. How many words contain the letter 'n' in the sentence.

Answer: 3


Question: Sentence: 'a black vase full of yellow wilted sunflowers'. How many words contain the letter 'u' in the sentence.

Answer:
2