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

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

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