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

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

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