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

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

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