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

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

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