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

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

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