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

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

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