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

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

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