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

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

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