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

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

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