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

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

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