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

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

*GRAMMAR*
lug -> YELLOW 
 wif -> RED 
 dax -> BLUE 
 blicket -> PURPLE 
 x1 gazzer x2 -> [x1] [x2] [x2] 
 x1 kiki -> [x1] [x1] 
 u1 fep u2 -> [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 