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

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

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