*SUPPORT*
IN: dax zup dax fep OUT: RED RED GREEN RED GREEN
IN: dax zup tufa lug OUT: RED PURPLE PURPLE PURPLE PURPLE
IN: dax fep kiki tufa OUT: PURPLE PURPLE RED GREEN
IN: tufa OUT: PURPLE
IN: tufa lug OUT: PURPLE PURPLE
IN: dax zup fep blicket OUT: RED GREEN BLUE GREEN BLUE
IN: tufa tufa dax lug OUT: PURPLE PURPLE RED RED
IN: fep lug OUT: GREEN GREEN
IN: dax OUT: RED
IN: blicket lug OUT: BLUE BLUE
IN: dax fep fep zup blicket OUT: RED GREEN GREEN BLUE BLUE
IN: blicket dax OUT: BLUE RED
IN: tufa zup tufa OUT: PURPLE PURPLE PURPLE
IN: dax blicket zup dax lug OUT: RED BLUE RED RED RED RED

*QUERY*
IN: dax lug OUT: RED RED
IN: tufa blicket lug OUT: PURPLE BLUE BLUE
IN: blicket zup blicket lug OUT: BLUE BLUE BLUE BLUE BLUE
IN: blicket zup blicket blicket OUT: BLUE BLUE BLUE BLUE BLUE
IN: tufa dax zup blicket fep blicket OUT: PURPLE RED BLUE GREEN BLUE BLUE GREEN BLUE
IN: blicket zup fep lug OUT: BLUE GREEN GREEN GREEN GREEN
IN: fep zup dax lug OUT: GREEN RED RED RED RED
IN: blicket OUT: BLUE
IN: blicket kiki blicket dax lug OUT: BLUE RED RED BLUE RED RED BLUE
IN: dax zup dax lug OUT: RED RED RED RED RED

*GRAMMAR*
tufa -> PURPLE 
 fep -> GREEN 
 blicket -> BLUE 
 dax -> RED 
 x1 kiki x2 -> [x2] [x2] [x1] 
 u1 zup x1 -> [u1] [x1] [x1] 
 u1 lug -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 