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

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

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