What assumption in this sentence makes the meaning subjective rather than objective

Objective is a statement that is completely unbiased. It is not touched by the speaker’s previous experiences or tastes. It is verifiable by looking up facts or performing mathematical calculations.

Subjective is a statement that has been colored by the character of the speaker or writer. It often has a basis in reality, but reflects the perspective through with the speaker views reality. It cannot be verified using concrete facts and figures.