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

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

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