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 woman walking up to a double decker bus that has stopped'. How many words start with the letter 'w' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a cat standing on a suitcase and checking out peoples bags'. How many words start with the letter 's' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'looking up at a commercial jet airplane in a blue sky'. How many words start with the letter 'a' in the sentence.

SOLUTION:
4