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

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

*GRAMMAR*
lug -> BLUE 
 gazzer -> PURPLE 
 zup -> RED 
 dax -> GREEN 
 x1 tufa -> [x1] [x1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 fep -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 