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: 'looking through a detailed window at a clock'. How many words start with the letter 'c' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a large jet liner sitting on top of an airport runway'. How many words start with the letter 'a' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'at the airport and planes are landing and taking off'. How many words start with the letter 'a' in the sentence.

SOLUTION:
5