TASK DEFINITION: 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.
PROBLEM: Sentence: 'a striped bus travels down a city street at night'. How many words start with the letter 'a' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'dude in shades sits and eats a hotdog'. How many words start with the letter 's' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a man riding a skateboard down a winding road'. How many words start with the letter 'a' in the sentence.

SOLUTION:
3