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: 'some signs and the roof of a train station'. How many words start with the letter 'a' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a guy with a beard holds a white mug with strawberries on it in front of a microwave'. How many words start with the letter 'a' in the sentence.

SOLUTION: 4

PROBLEM: Sentence: 'a guy in action with a paddle near a fence'. How many words start with the letter 'a' in the sentence.

SOLUTION:
4