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

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

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