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

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

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