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

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

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