Which sentence uses a colon correctly?

Question

A long winding road: it seemed as if the day would never be over.
A long winding road was like the day it seemed: it would never be over.
The day felt like a long winding road: it seemed as if it would never be over.
The day felt like: a long winding road that seemed as if it would never be over.

Answer 1

The day felt like a long winding road: it seemed as if it would never be over.