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

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

*GRAMMAR*
kiki -> RED 
 wif -> PURPLE 
 dax -> YELLOW 
 fep -> GREEN 
 x1 lug x2 -> [x2] [x1] 
 x1 gazzer -> [x1] [x1] 
 u1 tufa u2 -> [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 