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 bicycle riders are crossing a street'. How many words end with the letter 't' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'an outdoor clock on the side of a building'. How many words end with the letter 'f' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a young man wearing glasses typing on a laptop on a desk'. How many words end with the letter 's' in the sentence.

Ex Output:

1