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 man cuts into food being cooked on a grill'. How many words start with the letter 'o' in the sentence.

A: 1
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Q: Sentence: 'an elephant standing in front of some trees with its trunk in the air'. How many words start with the letter 's' in the sentence.

A: 2
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Q: Sentence: 'a dog looks out over a pool through a window'. How many words start with the letter 'a' in the sentence.

A:
3
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