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

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

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