Decide Whether the Equation Is "Conditional," an "Identity," or a "Contradiction

Multiple Choice

Decide whether the equation is "conditional," an "identity," or a "contradiction." Give its solution set.
- $15 m + 15 = 3 ( 3 m - 5 )$

A) Conditional; $\{ - 5 \}$
B) Conditional; $\{ - 0 \}$
C) Contradiction; $\{ - 0 \}$
D) Identity; $\{ - 5 \}$