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

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

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