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

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

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