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

[EX Q]: Sentence: 'a clock street sign on the corner of a building'. How many words end with the letter 'a' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a bathroom toilet with yellow liquid inside and a dirty tub'. How many words end with the letter 'a' in the sentence.
[EX A]:
2