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

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

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