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 Q]: Sentence: 'there is a young male surfer riding a wave'. How many words end with the letter 'e' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a brick building with a couple of street signs on it'. How many words end with the letter 'k' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a man in a blue sweatshirt is throwing the frisbee'. How many words end with the letter 's' in the sentence.
[EX A]:
1