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.

Sentence: 'a guy preforming a skateboard trick at a skate park'. How many words start with the letter 'a' in the sentence.
4

Sentence: 'a desk with a bunch of laptop and monitors on it'. How many words start with the letter 'w' in the sentence.
1

Sentence: 'a drawing of boats on a boating  dock'. How many words start with the letter 'd' in the sentence.

2