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 red and yellow bus next to some bikes'. How many words end with the letter 's' in the sentence.

A: 2
****
Q: Sentence: 'a man in a snow suit skiing down a powdery mountain'. How many words end with the letter 'n' in the sentence.

A: 4
****
Q: Sentence: 'a pizza with unique toppings on top of a wooden cutting board'. How many words end with the letter 'a' in the sentence.

A:
3
****