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 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: 'there is a man that is laying on the floor in the bathroom'. How many words end with the letter 'r' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a green bowl filled with various green fruits'. How many words end with the letter 's' in the sentence.

Ex Output:

2