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: 'car pass threw a green light in the day light'. How many words start with the letter 'd' in the sentence.

A: 1
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Q: Sentence: 'an orange and white scooter carrying two passengers drives down a wet street while the passenger of the scooter holds a purple umbrella'. How many words start with the letter 'a' in the sentence.

A: 4
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Q: Sentence: 'a person jumping a skate board in the air'. How many words start with the letter 'a' in the sentence.

A:
3
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