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

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

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