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 clock street sign on the corner of a building'. How many words end with the letter 'a' in the sentence.

A: 2
****
Q: Sentence: 'a crowd of people occupy a busy city street'. How many words end with the letter 'y' in the sentence.

A: 3
****
Q: Sentence: 'a yellow bird sitting atop a pile of yellow stones'. How many words end with the letter 'a' in the sentence.

A:
2
****