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: 'giraffe brought in ground next to some trees in exhibit'. How many words start with the letter 't' in the sentence.
[A]: 2


[Q]: Sentence: 'a baseball player swinging a bat while a catcher is behind him with his mitt out'. How many words start with the letter 'w' in the sentence.
[A]: 2


[Q]: Sentence: 'a group of people sitting around a table outdoors'. How many words start with the letter 'a' in the sentence.
[A]:
3