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

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

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