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

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

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