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

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

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