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

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

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