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 very tall tower with a clock on each of its sides'. How many words end with the letter 'f' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a person on a surf board riding a big wave'. How many words end with the letter 'd' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a woman sitting on a bed looking at a computer screen'. How many words end with the letter 'n' in the sentence.
[EX A]:
3