In this task, you need to count the number of words in a sentence that start with the given letter. Answer with numbers and not words.

Q: Sentence: 'a bathroom sink and mirror with someone personal belongings on it'. How many words start with the letter 'p' in the sentence.

A: 1
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Q: Sentence: 'a fire hydrant beside a burned building in a city'. How many words start with the letter 'a' in the sentence.

A: 3
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Q: Sentence: 'a couple of zebras are standing out in a field'. How many words start with the letter 'o' in the sentence.

A:
2
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