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

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

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