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

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

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