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

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

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