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 living area with a couch coffee table and bookshelf'. How many words start with the letter 'l' in the sentence.
[A]: 1


[Q]: Sentence: 'a pole with two traffic signs on it in the daytime'. How many words start with the letter 't' in the sentence.
[A]: 3


[Q]: Sentence: 'a young boy riding across the pavement of a parking lot on a skateboard'. How many words start with the letter 'a' in the sentence.
[A]:
4