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

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

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