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

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

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