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

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

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