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 gentleman playing ball with his daughter in the street'. How many words end with the letter 'a' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a baseball player standing at the plate waiting for the pitch'. How many words end with the letter 'a' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a group of stuffed animals and guinea pig sitting on a couch'. How many words end with the letter 'a' in the sentence.
[EX A]:
3