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.

[EX Q]: Sentence: 'a woman has just hit the tennis ball with her racket'. How many words start with the letter 't' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a desk with a bunch of laptop and monitors on it'. How many words start with the letter 'w' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a white and silver ski lift with people skiing around it'. How many words start with the letter 's' in the sentence.
[EX A]:
3