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

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

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