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

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

*GRAMMAR*
lug -> YELLOW 
 zup -> RED 
 dax -> BLUE 
 blicket -> GREEN 
 x1 tufa u1 -> [u1] [x1] 
 x1 wif x2 -> [x1] [x2] 
 u1 fep u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 