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

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

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