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

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

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