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 plate has a stack of pancake and a sausage'. How many words end with the letter 's' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a very tall tower with a clock on each of its sides'. How many words end with the letter 'f' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'in a dark room a cake display is lit up'. How many words end with the letter 't' in the sentence.

Ex Output:

1