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 person sitting on a stone wall using a cellular phone'. How many words start with the letter 's' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'dude in shades sits and eats a hotdog'. How many words start with the letter 's' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a statue of man sitting on a bench overlooking the ocean'. How many words start with the letter 'a' in the sentence.

SOLUTION:
2