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

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

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