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

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

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