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

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

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