*SUPPORT*
IN: fep blicket zup OUT: YELLOW YELLOW RED
IN: zup dax blicket zup OUT: RED GREEN GREEN RED
IN: fep OUT: YELLOW
IN: zup blicket wif OUT: RED RED BLUE
IN: dax blicket fep OUT: GREEN GREEN YELLOW
IN: zup tufa OUT: RED RED RED RED RED
IN: dax blicket dax OUT: GREEN GREEN GREEN
IN: dax dax tufa OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif OUT: BLUE
IN: wif zup tufa OUT: BLUE RED RED RED RED RED
IN: zup OUT: RED
IN: fep wif OUT: YELLOW BLUE
IN: wif blicket wif OUT: BLUE BLUE BLUE
IN: zup blicket dax OUT: RED RED GREEN

*QUERY*
IN: fep tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax dax OUT: GREEN GREEN
IN: wif blicket zup OUT: BLUE BLUE RED
IN: dax zup blicket dax OUT: GREEN RED RED GREEN
IN: dax fep tufa OUT: GREEN YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax blicket zup OUT: GREEN GREEN RED
IN: wif zup OUT: BLUE RED
IN: fep zup blicket wif OUT: YELLOW RED RED BLUE
IN: fep blicket fep OUT: YELLOW YELLOW YELLOW
IN: dax tufa OUT: GREEN GREEN GREEN GREEN GREEN

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