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

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

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