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

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

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