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

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

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