Identify which animal species is alive or extinct: Tyrannosaurus Rex, Amazon River Dolphin
Tyrannosaurus Rex is extinct, Amazon River Dolphin is alive.
<START_INST>Identify which animal species is alive or extinct: Tyrannosaurus Rex, Amazon River Dolphin<END_INST><START_CTX><END_CTX><START_A>Tyrannosaurus Rex is extinct, Amazon River Dolphin is alive.<END_A>