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

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

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