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 mother elephant with a baby elephant walking down a street'. How many words end with the letter 'a' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a container of mouthwash is sitting on the kitchen sink'. How many words end with the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'for jets planes flying in the big blue sky'. How many words end with the letter 'e' in the sentence.

Ex Output:

2