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 picture of a plane in the air'. How many words contain the letter 'l' in the sentence.

Answer: 1


Question: Sentence: 'a group of people standing together talking '. How many words contain the letter 'b' in the sentence.

Answer: 0


Question: Sentence: 'a person holding an umbrella in the snow'. How many words contain the letter 'd' in the sentence.

Answer:
1