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

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

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