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: 'some flowers are in a vase on a table'. How many words end with the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a gross dirty toilet in a unmaintained bathroom'. How many words end with the letter 't' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a man doing a trick on a skateboard on a bench'. How many words end with the letter 'n' in the sentence.

Ex Output:

3