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

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

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