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

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

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