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

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

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