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

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

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