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

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

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