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

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

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