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 man is pumping gas into a truck at a gas station'. How many words end with the letter 's' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a large plane that is behind another plane on a run way area'. How many words end with the letter 'y' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a traffic light with a street sigh hanging from its sides'. How many words end with the letter 'c' in the sentence.

Ex Output:

1