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 man riding a skateboard while having a mohawk'. How many words end with the letter 'k' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a few zebras graze with butts towards the camera'. How many words end with the letter 's' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a young man with a blue tie is playing with a boy while a man in the background looks on'. How many words end with the letter 'g' in the sentence.

Ex Output:

2