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

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

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