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 white persons hand holding a bitten hot dog with the works'. How many words end with the letter 'g' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a white van sits outside of a white building'. How many words end with the letter 'f' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'many elephants in  field of green grass near trees'. How many words end with the letter 'r' in the sentence.

Ex Output:

1