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

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

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