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

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

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