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

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

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