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

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

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