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

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

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