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

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

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