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 shot of the tops of several tall buildings in a city'. How many words start with the letter 'a' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'two men on motorcycles and wearing helmets'. How many words start with the letter 'w' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a tennis player swings his racket on a serve'. How many words start with the letter 'o' in the sentence.

SOLUTION:
1