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

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

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