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 couple of people sitting on a couch plays with a wii remote'. How many words start with the letter 'w' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a group of four people are riding a ski lift as they ride over the snowy mountain'. How many words start with the letter 'a' in the sentence.

SOLUTION: 4

PROBLEM: Sentence: 'man tying a tie on a woman with red shirt from behind'. How many words start with the letter 'a' in the sentence.

SOLUTION:
2