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 couple of white sinks are in a restroom'. How many words end with the letter 'n' in the sentence.
[A]: 1


[Q]: Sentence: 'suitcases lined up outside against a building with three men looking around'. How many words end with the letter 't' in the sentence.
[A]: 1


[Q]: Sentence: 'a green and red train car on rusted tracks'. How many words end with the letter 's' in the sentence.
[A]:
1