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 plate has a stack of pancake and a sausage'. How many words end with the letter 's' in the sentence.
[EX A]: 1

[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: 'person striking a tennis ball with a racket on a court'. How many words end with the letter 'a' in the sentence.
[EX A]:
3