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

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

*GRAMMAR*
wif -> BLUE 
 fep -> PURPLE 
 dax -> PINK 
 zup -> RED 
 x1 lug u1 -> [u1] [x1] 
 x1 blicket x2 -> [x2] [x1] [x1] [x2] [x2] [x2] [x1] 
 x1 kiki u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 