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

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

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