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

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

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