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

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

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