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 herd of elephants grazing near a body of water'. How many words end with the letter 'y' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a teddy bear is sitting on a wooden chair'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a large red truck on a city street'. How many words end with the letter 'n' in the sentence.

Ex Output:

1