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

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

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