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

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

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