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 photograph of a vase through its glass showcase'. How many words start with the letter 'i' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'there is a group of people with horses and a wagon'. How many words start with the letter 'a' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a couple of people standing over some water'. How many words start with the letter 's' in the sentence.

SOLUTION:
2