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: 'black and white photograph with man in black tie and jacket'. How many words end with the letter 'k' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a highway sign showing youve entered the state of virginia'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'someone holding a cell phone in front of a laptop'. How many words end with the letter 'a' in the sentence.

Ex Output:

2