*SUPPORT*
IN: dax kiki fep OUT: RED GREEN GREEN
IN: gazzer fep OUT: BLUE BLUE
IN: zup tufa OUT: PURPLE PURPLE
IN: gazzer OUT: BLUE
IN: kiki dax tufa OUT: GREEN RED RED
IN: zup blicket OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: kiki OUT: GREEN
IN: zup kiki fep OUT: PURPLE GREEN GREEN
IN: gazzer kiki fep OUT: BLUE GREEN GREEN
IN: dax kiki OUT: RED GREEN
IN: dax fep OUT: RED RED
IN: gazzer zup OUT: BLUE PURPLE
IN: dax dax OUT: RED RED
IN: zup OUT: PURPLE

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

*GRAMMAR*
gazzer -> BLUE 
 kiki -> GREEN 
 zup -> PURPLE 
 dax -> RED 
 x1 blicket -> [x1] [x1] [x1] [x1] [x1] 
 u1 fep -> [u1] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 