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

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

*GRAMMAR*
zup -> PURPLE 
 gazzer -> BLUE 
 lug -> RED 
 wif -> GREEN 
 u1 blicket u2 -> [u1] [u2] 
 u1 dax x1 -> [x1] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 