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 pair of cows are grazing in a field'. How many words end with the letter 'd' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a red fire hydrant in the white snow'. How many words end with the letter 'e' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'there is a small truck that has stopped in the dirt'. How many words end with the letter 's' in the sentence.

Ex Output:

2