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 boy standing on sand and flying a green kite'. How many words start with the letter 'f' in the sentence.
[A]: 1


[Q]: Sentence: 'this is a girl brushing her hair with a comb'. How many words start with the letter 'w' in the sentence.
[A]: 1


[Q]: Sentence: 'three men sitting at a table staring straight forward'. How many words start with the letter 't' in the sentence.
[A]:
2