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 pizza sitting on top of a cardboard box'. How many words end with the letter 'a' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a cat laying on top of a couch on its side'. How many words end with the letter 's' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'an elegant kitchen has an attached stone fireplace'. How many words end with the letter 'd' in the sentence.

Ex Output:

1