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

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

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