*SUPPORT*
IN: fep kiki dax kiki wif kiki dax OUT: GREEN BLUE GREEN RED
IN: fep OUT: RED
IN: fep wif blicket gazzer dax OUT: PURPLE GREEN RED BLUE
IN: gazzer kiki fep OUT: RED PURPLE
IN: dax dax dax blicket gazzer OUT: PURPLE GREEN GREEN GREEN
IN: gazzer tufa OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: fep kiki fep OUT: RED RED
IN: fep blicket wif tufa OUT: BLUE BLUE BLUE BLUE BLUE RED
IN: fep wif dax OUT: RED BLUE GREEN
IN: wif blicket gazzer kiki wif OUT: BLUE PURPLE BLUE
IN: gazzer OUT: PURPLE
IN: wif fep kiki fep OUT: RED BLUE RED
IN: wif OUT: BLUE
IN: gazzer dax OUT: PURPLE GREEN

*QUERY*
IN: wif tufa OUT: BLUE BLUE BLUE BLUE BLUE
IN: dax fep kiki wif OUT: BLUE GREEN RED
IN: dax OUT: GREEN
IN: fep wif blicket wif kiki fep OUT: RED BLUE RED BLUE
IN: dax kiki gazzer kiki fep kiki gazzer OUT: PURPLE RED PURPLE GREEN
IN: wif kiki dax OUT: GREEN BLUE
IN: fep wif blicket wif kiki wif OUT: BLUE BLUE RED BLUE
IN: wif dax dax dax blicket dax kiki dax OUT: GREEN GREEN BLUE GREEN GREEN GREEN
IN: wif wif OUT: BLUE BLUE
IN: gazzer kiki gazzer OUT: PURPLE PURPLE

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