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

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

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