*SUPPORT*
IN: fep gazzer zup OUT: GREEN PURPLE
IN: dax OUT: BLUE
IN: zup wif OUT: GREEN GREEN
IN: dax gazzer dax lug dax dax kiki OUT: BLUE BLUE YELLOW BLUE BLUE
IN: fep kiki gazzer dax wif OUT: PURPLE BLUE YELLOW PURPLE BLUE YELLOW
IN: fep lug fep zup wif OUT: PURPLE GREEN PURPLE GREEN PURPLE
IN: zup OUT: GREEN
IN: dax dax gazzer fep wif OUT: BLUE PURPLE BLUE BLUE PURPLE BLUE
IN: dax dax dax kiki OUT: BLUE BLUE BLUE YELLOW
IN: kiki gazzer fep lug zup OUT: GREEN PURPLE YELLOW
IN: fep OUT: PURPLE
IN: zup gazzer kiki OUT: YELLOW GREEN
IN: dax zup OUT: BLUE GREEN
IN: fep gazzer kiki OUT: YELLOW PURPLE

*QUERY*
IN: dax gazzer kiki OUT: YELLOW BLUE
IN: zup gazzer fep OUT: PURPLE GREEN
IN: dax zup gazzer kiki OUT: BLUE YELLOW GREEN
IN: kiki wif OUT: YELLOW YELLOW
IN: kiki OUT: YELLOW
IN: dax gazzer fep OUT: PURPLE BLUE
IN: fep zup dax wif lug fep wif OUT: PURPLE PURPLE PURPLE GREEN BLUE PURPLE GREEN BLUE
IN: zup zup OUT: GREEN GREEN
IN: kiki fep gazzer zup OUT: YELLOW GREEN PURPLE
IN: kiki zup wif OUT: YELLOW GREEN YELLOW GREEN

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