*SUPPORT*
IN: dax kiki tufa OUT: BLUE PURPLE
IN: dax zup fep OUT: RED PURPLE
IN: tufa zup fep OUT: RED BLUE
IN: blicket kiki fep OUT: RED YELLOW
IN: tufa dax fep dax OUT: BLUE PURPLE RED PURPLE
IN: tufa OUT: BLUE
IN: blicket kiki tufa OUT: BLUE YELLOW
IN: dax zup blicket OUT: YELLOW PURPLE
IN: fep kiki blicket OUT: YELLOW RED
IN: fep lug OUT: RED RED
IN: dax blicket dax kiki dax OUT: PURPLE YELLOW PURPLE PURPLE
IN: blicket zup dax OUT: PURPLE YELLOW
IN: blicket fep kiki fep OUT: YELLOW RED RED
IN: blicket lug OUT: YELLOW YELLOW

*QUERY*
IN: dax OUT: PURPLE
IN: tufa blicket lug OUT: BLUE YELLOW BLUE YELLOW
IN: dax fep zup dax OUT: PURPLE PURPLE RED
IN: blicket zup tufa OUT: BLUE YELLOW
IN: tufa zup dax OUT: PURPLE BLUE
IN: tufa kiki dax OUT: PURPLE BLUE
IN: fep zup dax OUT: PURPLE RED
IN: blicket OUT: YELLOW
IN: fep zup blicket OUT: YELLOW RED
IN: tufa kiki fep OUT: RED BLUE

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