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

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

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