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

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

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