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 in a suit with his finger in his ear'. How many words contain the letter 'm' in the sentence.

Answer: 1


Question: Sentence: 'a grown elephant with two baby elephants standing in tall grasses'. How many words contain the letter 'w' in the sentence.

Answer: 3


Question: Sentence: 'an orange and white food truck parked inside of a building'. How many words contain the letter 'r' in the sentence.

Answer:
3