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: 'an elephant walks on a low concrete wall'. How many words end with the letter 't' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a bearded man showing a horse to women in a horse stall'. How many words end with the letter 'a' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a red stop sign sitting above a four way sign'. How many words end with the letter 'd' in the sentence.

Ex Output:

1