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

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

*GRAMMAR*
zup -> BLUE 
 dax -> YELLOW 
 wif -> RED 
 fep -> GREEN 
 u1 tufa u2 -> [u2] [u1] 
 x1 kiki -> [x1] [x1] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 