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

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

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