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 blue and white sign attached to a building'. How many words start with the letter 'a' in the sentence.
[A]: 4


[Q]: Sentence: 'giraffe brought in ground next to some trees in exhibit'. How many words start with the letter 't' in the sentence.
[A]: 2


[Q]: Sentence: 'two white baby sheep laying in hay with their eyes closed'. How many words start with the letter 'l' in the sentence.
[A]:
1