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

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

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