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

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

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