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: 'four white and blue street signs on a wooden pole'. How many words contain the letter 'u' in the sentence.

Answer: 2


Question: Sentence: 'an orange cat laying on top of a wooden table'. How many words contain the letter 'l' in the sentence.

Answer: 2


Question: Sentence: 'a group of large boats is parts at a city marina'. How many words contain the letter 'b' in the sentence.

Answer:
1