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 baseball player holding a glove in one hand and ball in the other'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'the group of people are getting ready to ski down the mountainside'. How many words start with the letter 't' in the sentence.
[A]: 3


[Q]: Sentence: 'a jetliner pulled up to the airport terminal'. How many words start with the letter 't' in the sentence.
[A]:
3