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: 'people walking down the street while some people ride their bicycles'. How many words start with the letter 'w' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a man on a beach throwing a frisbee while two people walking the water'. How many words start with the letter 'a' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a woman walks across the street at the intersection'. How many words start with the letter 'a' in the sentence.

SOLUTION:
3