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

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

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