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: 'two people playing frisbee on the beach on a sunny day'. How many words start with the letter 't' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a woman is standing in the kitchen using her phone'. How many words start with the letter 'w' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a chicken sandwich was a salad and snack sit on a plate'. How many words start with the letter 's' in the sentence.
[EX A]:
4