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

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

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