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

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

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