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: 'a young boy hitting a tee ball with a red bat'. How many words start with the letter 'b' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'two men holding electronic devices compete in an interactive game'. How many words start with the letter 't' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a person holds a computer on their legs and a cat between their legs'. How many words start with the letter 'a' in the sentence.
[EX A]:
4