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

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

*GRAMMAR*
fep -> RED 
 wif -> GREEN 
 kiki -> YELLOW 
 gazzer -> BLUE 
 x1 dax x2 -> [x1] [x2] 
 x1 tufa x2 -> [x2] [x1] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 