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

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

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