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

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

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