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

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

*GRAMMAR*
gazzer -> GREEN 
 lug -> BLUE 
 kiki -> YELLOW 
 fep -> RED 
 u1 zup x1 -> [x1] [u1] 
 u1 dax u2 -> [u1] [u2] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 