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: 'green bananas and a grapefruit are sitting in front of flowers'. How many words end with the letter 'f' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a train rides across a bridge over water'. How many words end with the letter 's' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a dog sticking its nose out of a crack in a window'. How many words end with the letter 'a' in the sentence.

SOLUTION:
3