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 baseball player jumps towards a base before the other player catches the ball'. How many words end with the letter 'e' in the sentence.

Ex Output:
4


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 woman tennis player in uniform and swinging a tennis racket with both hands'. How many words end with the letter 's' in the sentence.

Ex Output:

3