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

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

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