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 white motorcycle is next to a store front that says macau welcomes you'. How many words end with the letter 's' in the sentence.
[A]: 3


[Q]: Sentence: 'a pair of hands using a sharp knife to cut small carrots into small pieces'. How many words end with the letter 's' in the sentence.
[A]: 3


[Q]: Sentence: 'a man on a blue motorcycle riding down the street'. How many words end with the letter 'a' in the sentence.
[A]:
2