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 batter lifts his left foot as he swings the bat'. How many words start with the letter 'a' in the sentence.
[A]: 2


[Q]: Sentence: 'a close up of three older men standing near one another'. How many words start with the letter 'a' in the sentence.
[A]: 2


[Q]: Sentence: 'a stop sign with two street signs sitting above it'. How many words start with the letter 's' in the sentence.
[A]:
5