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.

[Q]: Sentence: 'a hand is holding a pack of japanese donuts'. How many words end with the letter 's' in the sentence.
[A]: 2


[Q]: Sentence: 'a clock on the table in a room'. How many words end with the letter 'a' in the sentence.
[A]: 2


[Q]: Sentence: 'a large bus pulling into a loading area at an airport'. How many words end with the letter 'a' in the sentence.
[A]:
3