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

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

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