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

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

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