TASK DEFINITION: In this task, you need to count the number of words in a sentence that end with the given letter. Answer with numbers and not words.
PROBLEM: Sentence: 'a group of people riding a wave on top of  surfboards'. How many words end with the letter 'f' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a kitchen that has a shower and toilet'. How many words end with the letter 's' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a man is driving a cart with a horse pulling it'. How many words end with the letter 'g' in the sentence.

SOLUTION:
2