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

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

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