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 close up of a traffic light on a city street'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'three hot dogs are stuffed in buns are ready to serve'. How many words start with the letter 'd' in the sentence.
[A]: 1


[Q]: Sentence: 'a photoshopped image of a nude woman on a bed'. How many words start with the letter 'w' in the sentence.
[A]:
1