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

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

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