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

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

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