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 pizza sitting on top of a cardboard box'. How many words end with the letter 'a' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'woman holding a hot dog up to her face in front of trees'. How many words end with the letter 's' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a pasture of sheep and a cow with an old stone house and a woman in a suit'. How many words end with the letter 'n' in the sentence.

Ex Output:

3