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

Ex Output:
1


Ex Input:
Sentence: 'a close up of a cow behind a fence'. How many words end with the letter 'a' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a man is holding a stop sign to demonstrate for children'. How many words end with the letter 'n' in the sentence.

Ex Output:

3