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

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

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