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

*QUERY*
IN: fep tufa OUT: BLUE BLUE
IN: blicket gazzer fep OUT: BLUE PINK BLUE
IN: dax gazzer dax OUT: RED RED RED
IN: blicket gazzer dax OUT: RED PINK RED
IN: lug gazzer fep OUT: BLUE YELLOW BLUE
IN: fep OUT: BLUE
IN: lug tufa kiki dax OUT: RED YELLOW YELLOW RED RED YELLOW YELLOW RED
IN: dax dax dax OUT: RED RED RED
IN: blicket tufa OUT: PINK PINK
IN: blicket OUT: PINK

*GRAMMAR*
blicket -> PINK 
 lug -> YELLOW 
 fep -> BLUE 
 dax -> RED 
 x1 kiki x2 -> [x2] [x1] [x2] [x2] [x1] [x2] 
 u1 tufa -> [u1] [u1] 
 u1 gazzer u2 -> [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 