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: 'horses are being walked around a race track'. How many words start with the letter 't' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'japanese food of meat and vegetable are on a plate'. How many words start with the letter 'o' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a photo of a waterway with several boats along the shore'. How many words start with the letter 'w' in the sentence.
[EX A]:
2