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

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

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