*SUPPORT*
IN: dax zup kiki fep OUT: RED RED PINK
IN: blicket blicket lug fep OUT: BLUE BLUE PINK BLUE PINK BLUE
IN: blicket zup OUT: BLUE BLUE
IN: blicket lug dax OUT: BLUE RED BLUE RED BLUE
IN: fep zup OUT: PINK PINK
IN: blicket kiki dax OUT: BLUE RED
IN: wif zup OUT: PURPLE PURPLE
IN: dax lug fep OUT: RED PINK RED PINK RED
IN: blicket kiki wif OUT: BLUE PURPLE
IN: fep zup kiki blicket OUT: PINK PINK BLUE
IN: blicket OUT: BLUE
IN: wif OUT: PURPLE
IN: fep dax lug fep kiki blicket OUT: PINK RED PINK RED PINK RED BLUE
IN: fep kiki dax kiki fep kiki wif OUT: PINK RED PINK PURPLE

*QUERY*
IN: dax OUT: RED
IN: blicket lug blicket kiki dax OUT: BLUE BLUE BLUE BLUE BLUE RED
IN: fep OUT: PINK
IN: wif wif lug fep OUT: PURPLE PURPLE PINK PURPLE PINK PURPLE
IN: fep lug fep OUT: PINK PINK PINK PINK PINK
IN: dax lug dax kiki wif OUT: RED RED RED RED RED PURPLE
IN: dax dax lug dax kiki dax kiki wif OUT: RED RED RED RED RED RED RED PURPLE
IN: dax fep lug dax OUT: RED PINK RED PINK RED PINK
IN: blicket lug wif OUT: BLUE PURPLE BLUE PURPLE BLUE
IN: blicket blicket blicket blicket wif blicket OUT: BLUE BLUE BLUE BLUE PURPLE BLUE

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