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 crowd of people standing around an airport waiting for luggage'. How many words end with the letter 'f' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a cat laying on its back while in a cat bed'. How many words end with the letter 's' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'two people who are standing in the snow on skis'. How many words end with the letter 'o' in the sentence.

Ex Output:

2