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

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

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