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 giraffe stands in front of a big tree'. How many words end with the letter 'e' in the sentence.
[A]: 2


[Q]: Sentence: 'a man in a snow suit skiing down a powdery mountain'. How many words end with the letter 'n' in the sentence.
[A]: 4


[Q]: Sentence: 'a airplane that is sitting on a runway'. How many words end with the letter 'a' in the sentence.
[A]:
2