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.

[EX Q]: Sentence: 'red train on tracks near tall trees at station'. How many words end with the letter 's' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a truck and trailer are parked at a woodsy campground'. How many words end with the letter 'k' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a man hangs off a stationary train indoors'. How many words end with the letter 'n' in the sentence.
[EX A]:
2