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 person wearing blue jeans holding a cellphone near their leg'. How many words end with the letter 'n' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a plate has a spoon cup of coffee and two small doughnuts'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a person holding a partially eaten sandwich and pointing to it with their other hand'. How many words end with the letter 'r' in the sentence.

Ex Output:

2