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 street sign above a faded stop sign'. How many words start with the letter 's' in the sentence.
[A]: 4


[Q]: Sentence: 'a woman is holding the hand of a boy who is leaning on a fire hydrant'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a train is driving down the tracks in front of a city'. How many words start with the letter 'a' in the sentence.
[A]:
2