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: 'many sheep gather on a truck and in a field eating hay'. How many words start with the letter 'h' in the sentence.

A: 1
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Q: Sentence: 'a police car driving by a construction truck'. How many words start with the letter 'b' in the sentence.

A: 1
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Q: Sentence: 'an older airplane flies over the country side'. How many words start with the letter 'o' in the sentence.

A:
2
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