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

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

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