The club 's scope grew to include other Commodore computers , with dedicated chapters for the PET , VIC-20 , Commodore 64 , Commodore 128 , and Amiga .
Head entity: commodore 128 Q1115919 23 24
Tail entity: commodore 64 Q99775 20 21
Relation (head \u2192 tail): P155
Inverse relation (tail \u2192 head): P156