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

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

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