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

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

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