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

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

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