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

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

*GRAMMAR*
kiki -> BLUE 
 fep -> GREEN 
 zup -> PURPLE 
 dax -> YELLOW 
 u1 gazzer u2 -> [u2] [u1] 
 u1 blicket x1 -> [x1] [u1] 
 x1 tufa x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 