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 msall bus going down a road with a street sign'. How many words start with the letter 'd' in the sentence.

A: 1
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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 stop sign on the sidewalk at the edge of an intersection'. How many words start with the letter 'o' in the sentence.

A:
2
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