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 surfing a wave with both hands in the air'. How many words end with the letter 'a' in the sentence.
[A]: 2


[Q]: Sentence: 'a paper with a cookie on it as well as a marker'. How many words end with the letter 'r' in the sentence.
[A]: 2


[Q]: Sentence: 'a man water skiing behind a boat on a water board'. How many words end with the letter 'd' in the sentence.
[A]:
2