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

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

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