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

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

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