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

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

*GRAMMAR*
wif -> GREEN 
 dax -> YELLOW 
 tufa -> PURPLE 
 lug -> RED 
 x1 blicket x2 -> [x2] [x1] 
 x1 zup -> [x1] [x1] [x1] 
 u1 kiki -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 