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 busy train yard packed with trains and tracks'. How many words start with the letter 't' in the sentence.
[A]: 3


[Q]: Sentence: 'a blue bench a house and some bushes'. How many words start with the letter 'b' in the sentence.
[A]: 3


[Q]: Sentence: 'a man in a baseball uniform in a throwing motion with a baseball in the air'. How many words start with the letter 't' in the sentence.
[A]:
2