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 wearing a striped tie and a jacket'. How many words start with the letter 'j' in the sentence.
[A]: 1


[Q]: Sentence: 'a traffic light indicating green for the bicycle lane'. How many words start with the letter 'g' in the sentence.
[A]: 1


[Q]: Sentence: 'a red stop sign in the snow on a street'. How many words start with the letter 's' in the sentence.
[A]:
4