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 burger and some fries on a white plate'. How many words end with the letter 's' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a group of people riding skis up to a cabin'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a cat sitting on an arm rest in a car next to the driver'. How many words end with the letter 'n' in the sentence.

Ex Output:

3