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

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

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