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.

Ex Input:
Sentence: 'a group of men and women standing in front of a ribbon'. How many words end with the letter 'n' in the sentence.

Ex Output:
4


Ex Input:
Sentence: 'a bunch of people stand atop of a green hill'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a tray topped with a plate of fish next to a glass with a red liquid'. How many words end with the letter 'a' in the sentence.

Ex Output:

4