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

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

*GRAMMAR*
zup -> RED 
 fep -> PURPLE 
 kiki -> GREEN 
 dax -> BLUE 
 u1 tufa u2 -> [u2] [u2] [u1] 
 u1 blicket -> [u1] [u1] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 