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

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

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