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

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

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