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 mirror hangs from the ceiling of a large room'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a vase with some vegetation growing out of it'. How many words end with the letter 't' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'two men playing a tennis tournament on a clay court'. How many words end with the letter 'n' in the sentence.

Ex Output:

2