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

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

*GRAMMAR*
tufa -> PURPLE 
 dax -> BLUE 
 lug -> RED 
 fep -> GREEN 
 x1 kiki u1 -> [x1] [u1] 
 x1 wif -> [x1] [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] [x2] [x1] [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 