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

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

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