A fact is something that can be proven with hard evidence. An opinion is simply how someone feels about any topic.
Here is an example of a fact: a cat is a mammal Here is an opinion: a cat is the most beautiful animal Here is how you tell the difference: a fact is something that everyone can agree to an opinion is something that not everyone can agree to.
A clue is a datum - a fact. A "theory" tries to tell you what the fact means.
It can be an Opinion or a Fact , It might not be true so you would have to figure it out. If its an Opinion you can tell.
Opinion
Well, I don't know. Are you a complete idiot who can't tell the difference between fact and fiction?
fact
Is it subjective or objective?
It is an opinion, but it is also very good advice.
how can you tell the difference between a tortoise and a turtle by shell in picture
Can you tell the difference between Vyvanse and Concerta in a drug test
Vending machines have laser scanners that can tell the difference between the bills.
you can tell the difference between right and wrong from the little voice inside your head