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

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

*GRAMMAR*
lug -> RED 
 kiki -> BLUE 
 blicket -> GREEN 
 dax -> PURPLE 
 x1 tufa x2 -> [x1] [x2] 
 u1 fep u2 -> [u1] [u2] [u1] [u2] 
 x1 zup -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 