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: 'four bowls two containing veggies fruits  and a pasta dish with a fifth container of salad dressing'. How many words end with the letter 'r' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'a little kid that is in a bath tub'. How many words end with the letter 'a' in the sentence.

Ex Output:
2


Ex Input:
Sentence: 'people playing in a green field under cloudy skies flying a kite'. How many words end with the letter 'n' in the sentence.

Ex Output:

2