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

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

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