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

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

*GRAMMAR*
tufa -> YELLOW 
 dax -> GREEN 
 fep -> RED 
 blicket -> BLUE 
 x1 wif x2 -> [x2] [x2] [x1] 
 u1 zup x1 -> [x1] [u1] 
 x1 kiki u1 -> [u1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 