*SUPPORT*
IN: gazzer fep gazzer OUT: GREEN GREEN
IN: gazzer dax dax OUT: GREEN RED RED
IN: kiki blicket OUT: PURPLE YELLOW
IN: dax blicket lug OUT: RED YELLOW YELLOW YELLOW
IN: dax gazzer lug OUT: RED GREEN GREEN GREEN
IN: gazzer fep blicket OUT: YELLOW GREEN
IN: blicket gazzer fep gazzer OUT: YELLOW GREEN GREEN
IN: kiki OUT: PURPLE
IN: gazzer wif OUT: GREEN GREEN
IN: kiki blicket gazzer lug OUT: PURPLE YELLOW GREEN GREEN GREEN
IN: blicket lug OUT: YELLOW YELLOW YELLOW
IN: dax OUT: RED
IN: blicket gazzer dax OUT: YELLOW GREEN RED
IN: kiki fep blicket OUT: YELLOW PURPLE

*QUERY*
IN: dax dax gazzer dax kiki wif OUT: RED RED GREEN RED PURPLE PURPLE
IN: dax kiki lug OUT: RED PURPLE PURPLE PURPLE
IN: gazzer blicket fep blicket OUT: GREEN YELLOW YELLOW
IN: blicket wif OUT: YELLOW YELLOW
IN: gazzer OUT: GREEN
IN: dax lug OUT: RED RED RED
IN: gazzer kiki OUT: GREEN PURPLE
IN: kiki dax wif OUT: PURPLE RED RED
IN: kiki wif OUT: PURPLE PURPLE
IN: gazzer lug OUT: GREEN GREEN GREEN

*GRAMMAR*
blicket -> YELLOW 
 gazzer -> GREEN 
 dax -> RED 
 kiki -> PURPLE 
 u1 fep u2 -> [u2] [u1] 
 u1 wif -> [u1] [u1] 
 u1 lug -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 