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 scarecrow is in the garden with no head'. How many words end with the letter 'a' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a large plane that is behind another plane on a run way area'. How many words end with the letter 'y' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a pair of red city buses travel down the bus lane'. How many words end with the letter 's' in the sentence.

Ex Output:

2