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 dozen glazed doughnuts with different patterns in a box'. How many words end with the letter 'n' in the sentence.
[A]: 2


[Q]: Sentence: 'a man sitting in front of a laptop computer'. How many words end with the letter 'r' in the sentence.
[A]: 1


[Q]: Sentence: 'a man in a bucket hat sitting under a red umbrella'. How many words end with the letter 'a' in the sentence.
[A]:
4