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 city street with traffic and people walking'. How many words end with the letter 'a' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'two teddy bears in a windowsill with a small kitten looking at them'. How many words end with the letter 'a' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a person sitting on a bench using a laptop'. How many words end with the letter 'a' in the sentence.
[EX A]:
3