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

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

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