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 clock street sign on the corner of a building'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a woman catching a red frisbee while standing on a dirt road'. How many words end with the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a person doing a trick on a skateboard on a ramp'. How many words end with the letter 'g' in the sentence.

Ex Output:

1