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 man stands and holds a brown teddy bear'. How many words start with the letter 't' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a small bathroom has a mirror vanity and toilet'. How many words start with the letter 'b' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a laptop that is sitting on a table next to a wire'. How many words start with the letter 'a' in the sentence.
[EX A]:
3