*SUPPORT*
IN: lug fep OUT: RED RED
IN: wif fep OUT: BLUE BLUE
IN: dax blicket dax OUT: GREEN PINK GREEN
IN: lug OUT: RED
IN: dax fep OUT: GREEN GREEN
IN: wif blicket OUT: BLUE PINK
IN: lug blicket kiki wif OUT: RED BLUE PINK
IN: wif wif fep OUT: BLUE BLUE BLUE
IN: wif tufa OUT: BLUE BLUE
IN: wif wif blicket wif tufa OUT: BLUE BLUE PINK BLUE BLUE
IN: wif OUT: BLUE
IN: lug tufa OUT: RED RED
IN: dax OUT: GREEN
IN: blicket OUT: PINK

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

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