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 police car driving by a construction truck'. How many words start with the letter 'b' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'japanese food of meat and vegetable are on a plate'. How many words start with the letter 'o' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a digging machine at a dirt construction site'. How many words start with the letter 'a' in the sentence.

SOLUTION:
3