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

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

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