Let's modify Einstein's thought experiment on simultaneousness. A person G on ground sits in the middle of two fireworks. The fireworks are wired (equal distance) to an ignitor just in front of the person G. A person T on a train of constant velocity V passes by the ignitor and pushes the button to light up the two fireworks. Then, person G will see the two fireworks light up simultaneously. However, person T will see them light up not simultaneously because he is racing away from one firework to another firework. Since the wires' equal distance to the two fireworks will guarantee they are lit up simultaneously (absolute time), then person T see the events not simultaneously (reference frame dependent time), does it mean anything to you folks? Or I get the logics wrong here?