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

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

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