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

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

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