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 dog is laying down on a small couch'. How many words start with the letter 'a' in the sentence.

A: 2
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Q: Sentence: 'a golfer hitting a golf ball at a hole on the green'. How many words start with the letter 'g' in the sentence.

A: 3
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Q: Sentence: 'a man standing in front of a sink and mirror in a bathroom'. How many words start with the letter 'a' in the sentence.

A:
4
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