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

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

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