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

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

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