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: 'a white van sits outside of a white building'. How many words end with the letter 'f' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a man riding a skateboard on top of a metal rail'. How many words end with the letter 'f' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a boy with helmet on a skateboard doing a skateboarding trick'. How many words end with the letter 'g' in the sentence.
[EX A]:
2