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

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

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