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

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

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