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: 'a white van sits outside of a white building'. How many words end with the letter 'f' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a snowboarder is in the air performing a stunt'. How many words end with the letter 't' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a young girl with a painted face is on a horse'. How many words end with the letter 'a' in the sentence.
[EX A]:
3