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

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

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