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

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

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