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 road with a crosswalk in the middle of it'. How many words start with the letter 't' in the sentence.
[A]: 1


[Q]: Sentence: 'a black bear walks in front of a tree in a forest'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a man is holding a device up as he bends and stares at television'. How many words start with the letter 'a' in the sentence.
[A]:
5