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 dog running behind three sheep in an open field'. How many words end with the letter 'n' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a stuffed large cat sits on the desk in a dark room'. How many words end with the letter 'e' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a woman standing in a kitchen cutting a pizza'. How many words end with the letter 'a' in the sentence.

Ex Output:

4