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

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

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