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

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

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