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

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

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