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

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

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