system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5:Quantum Mechanics and its relation to Physics

Up to date, I have not a solid comprehension of the term Quantum Mechanics.
gpt
Quantum mechanics is a set of mathematical approaches to making predictions about the behavior of very small things. It's conceptually similar to, but completely different from, classical mechanics, which is a set of mathematical approaches to making predictions about the behavior of normal-sized things.