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

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

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