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

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

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