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 men that are standing next to dirtbikes'. How many words end with the letter 'f' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'three people smiling at a booth in a restaurant eating toasted sandwiches'. How many words end with the letter 'e' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'an airplane is on a snowy runway at an airport'. How many words end with the letter 'n' in the sentence.

Ex Output:

3