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

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

*GRAMMAR*
lug -> PURPLE 
 kiki -> RED 
 dax -> GREEN 
 fep -> YELLOW 
 x1 tufa x2 -> [x1] [x2] 
 u1 gazzer u2 -> [u2] [u1] 
 x1 blicket u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 