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

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

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