*SUPPORT*
IN: zup fep lug fep zup OUT: YELLOW BLUE YELLOW
IN: blicket tufa OUT: RED RED
IN: zup zup dax lug OUT: YELLOW BLUE YELLOW
IN: zup tufa tufa OUT: YELLOW YELLOW YELLOW YELLOW
IN: zup dax lug tufa OUT: BLUE YELLOW BLUE YELLOW
IN: gazzer fep zup tufa OUT: PURPLE YELLOW PURPLE YELLOW
IN: lug OUT: BLUE
IN: blicket fep lug dax lug OUT: RED BLUE BLUE
IN: blicket zup blicket lug dax blicket OUT: RED YELLOW RED RED BLUE
IN: gazzer gazzer OUT: PURPLE PURPLE
IN: lug dax lug OUT: BLUE BLUE
IN: zup dax gazzer OUT: PURPLE YELLOW
IN: blicket fep lug lug OUT: RED BLUE BLUE
IN: gazzer tufa OUT: PURPLE PURPLE

*QUERY*
IN: gazzer fep lug dax zup OUT: PURPLE YELLOW BLUE
IN: blicket fep blicket OUT: RED RED
IN: gazzer OUT: PURPLE
IN: gazzer dax blicket OUT: RED PURPLE
IN: zup fep zup OUT: YELLOW YELLOW
IN: zup tufa OUT: YELLOW YELLOW
IN: lug dax gazzer OUT: PURPLE BLUE
IN: gazzer fep blicket zup blicket lug fep gazzer OUT: PURPLE RED YELLOW RED BLUE PURPLE
IN: gazzer dax lug OUT: BLUE PURPLE
IN: blicket dax zup OUT: YELLOW RED

*GRAMMAR*
gazzer -> PURPLE 
 blicket -> RED 
 zup -> YELLOW 
 lug -> BLUE 
 u1 dax u2 -> [u2] [u1] 
 x1 tufa -> [x1] [x1] 
 u1 fep x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 