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 woman cutting into a cake with a man standing behind her'. How many words end with the letter 'a' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a man and woman on a horse carriage riding down the street'. How many words end with the letter 'n' in the sentence.

Ex Output:
4


Ex Input:
Sentence: 'a grey cat sitting on a red chair in front of a throw pillow'. How many words end with the letter 'a' in the sentence.

Ex Output:

3