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 group of boats docked in front of a warehouse'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a group of horses standing and laying in a grassy field'. How many words end with the letter 'f' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'two people riding surfboards on a wave'. How many words end with the letter 'n' in the sentence.

Ex Output:

1