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

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

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