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 street pole with signs pointing in different directions'. How many words end with the letter 's' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a tennis player in a red shirt is serving the ball'. How many words end with the letter 'r' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a man in a fur hat also wearing a suit and tie'. How many words end with the letter 'g' in the sentence.

Ex Output:

1