End of what story ? Be more specific
I think that this is a very good opening paragraph. I can clearly tell exactly what your writing piece will be about, and it definitely hooks me in as a reader... GOOD JOB!
Think about using math in real life . you can start with something like this
The answer is letter a. From the properties of silver, it is shiny and smooth and not as dense as gold, hence the river is a shining river. So it becomes, "Behold the shining river, in it the splashing horses loitering stop to drink"