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

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

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