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

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

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