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 street scene with four buses lined up on the side of the road'. How many words end with the letter 'p' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'the elderly person wearing a cap is smiling'. How many words end with the letter 's' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'an older woman and young girl enjoy food on a bed'. How many words end with the letter 'n' in the sentence.

Ex Output:

3