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: 'people outside of a cable fence looking at an elephant'. How many words end with the letter 'f' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'two trains pass over the tracks over a river'. How many words end with the letter 'o' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a child is asleep on the side of a bed'. How many words end with the letter 'a' in the sentence.
[EX A]:
2