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 car stopped at a red light at an intersection'. How many words contain the letter 'l' in the sentence.

Answer: 1


Question: Sentence: 'a team of junior baseball players carrying a trophy'. How many words contain the letter 'w' in the sentence.

Answer: 0


Question: Sentence: 'a man walking in front of a train station'. How many words contain the letter 'o' in the sentence.

Answer:
3