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

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

*GRAMMAR*
blicket -> GREEN 
 kiki -> YELLOW 
 fep -> BLUE 
 tufa -> RED 
 u1 wif u2 -> [u1] [u2] 
 u1 dax u2 -> [u2] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 