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 is posing on a floor with a stuffed toy'. How many words start with the letter 'i' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a person walking on a city street with a luggage bag'. How many words start with the letter 'w' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a couple of sheep stand in a grass area'. How many words start with the letter 's' in the sentence.

SOLUTION:
2