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

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

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