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

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

*GRAMMAR*
lug -> PURPLE 
 kiki -> RED 
 dax -> BLUE 
 wif -> GREEN 
 u1 blicket x1 -> [x1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 