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

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

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