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: '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


Ex Input:
Sentence: 'the group of people is riding on the back of the truck'. How many words end with the letter 'e' in the sentence.

Ex Output:
4


Ex Input:
Sentence: 'several people are around a table eating a margarita pizza'. How many words end with the letter 'a' in the sentence.

Ex Output:

4