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

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

*GRAMMAR*
fep -> RED 
 lug -> YELLOW 
 tufa -> BLUE 
 blicket -> PURPLE 
 u1 dax u2 -> [u2] [u1] 
 u1 zup x1 -> [x1] [u1] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 