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 pair of cows are grazing in a field'. How many words end with the letter 'd' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a bike stands on his dirtbike in a circus'. How many words end with the letter 'n' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a bathroom with a toilet and sprayer attached to the wall'. How many words end with the letter 'd' in the sentence.

Ex Output:

2