Fact-based - An answer that only uses facts you can show, no lies or gues

An answer that only uses facts you can show, no lies or guesswork.

He said he didn't break the lamp. I have the pieces. That's fact-based, not guesswork.

She said she didn't eat the ice cream. I have the spoon in my hand. That's fact-based, not a lie.

You said you didn't get the pizza. I have it in my mouth. That's fact-based, not bullsh*t.