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 man riding a wave on a white surfboard'. How many words end with the letter 'e' in the sentence.
[A]: 2


[Q]: Sentence: 'a unique black and white bathroom that is very clean'. How many words end with the letter 'm' in the sentence.
[A]: 1


[Q]: Sentence: 'a single large elephant at the edge of a river'. How many words end with the letter 'a' in the sentence.
[A]:
2