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 laptop computer that is on a desk'. How many words end with the letter 'a' in the sentence.
[A]: 2


[Q]: Sentence: 'a wine bottle and two glasses on a counter'. How many words end with the letter 's' in the sentence.
[A]: 1


[Q]: Sentence: 'an image of an old train station building'. How many words end with the letter 'n' in the sentence.
[A]:
4