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

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

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