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

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

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