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 are standing outside while one holds an open umbrella'. How many words end with the letter 'n' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a man and woman happily hug near a river'. How many words end with the letter 'y' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a train rides through a city next to a building'. How many words end with the letter 'a' in the sentence.

SOLUTION:
3