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

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

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