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.

[Q]: Sentence: 'a couple of police officers stand on a street corner'. How many words end with the letter 'e' in the sentence.
[A]: 2


[Q]: 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.
[A]: 2


[Q]: Sentence: 'a couple of kids that are on a park bench'. How many words end with the letter 'a' in the sentence.
[A]:
2