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 sitting in a chair in a store'. How many words end with the letter 'n' in the sentence.

Ex Output:
3


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: 'a girl checking her phone in a busy restaurant'. How many words end with the letter 'a' in the sentence.

Ex Output:

2