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

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

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