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

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

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