Choose the word which is different from the rest: potassium, silicon, zirconium, gallium, germanium
All except potassium are metals used in semiconductor devices
<START_INST>Choose the word which is different from the rest: potassium, silicon, zirconium, gallium, germanium<END_INST><START_CTX><END_CTX><START_A>All except potassium are metals used in semiconductor devices<END_A>