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

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

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