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

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

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