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 young man grinds a skateboard on a ledge'. How many words end with the letter 'a' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a pair of skiers stare into the trees'. How many words end with the letter 'o' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a male in a black shirt a clock and a pink and black kite'. How many words end with the letter 'a' in the sentence.
[EX A]:
4