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

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

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