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 all of coin machines in a tourist stop'. How many words end with the letter 'n' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a mirror hangs from the ceiling of a large room'. How many words end with the letter 'a' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a man walking next to a building in the rain while holding a red umbrella'. How many words end with the letter 'a' in the sentence.
[EX A]:
4