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: 'several cows standing in the grass by a tree'. How many words end with the letter 'n' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'teddy bear in front of a holly covered object'. How many words end with the letter 't' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a clock tower with multiple sides in a snowy area'. How many words end with the letter 'a' in the sentence.

Ex Output:

3