*SUPPORT*
IN: blicket fep blicket OUT: YELLOW YELLOW
IN: wif fep wif kiki OUT: RED RED RED RED
IN: blicket wif fep blicket OUT: YELLOW YELLOW RED
IN: tufa fep wif OUT: RED BLUE
IN: wif fep dax kiki OUT: PURPLE RED PURPLE RED
IN: wif dax fep tufa kiki OUT: RED BLUE PURPLE RED BLUE PURPLE
IN: tufa fep blicket OUT: YELLOW BLUE
IN: wif gazzer tufa OUT: RED RED BLUE RED
IN: blicket OUT: YELLOW
IN: dax fep wif OUT: RED PURPLE
IN: blicket fep tufa gazzer tufa OUT: BLUE YELLOW BLUE YELLOW BLUE BLUE YELLOW
IN: tufa fep dax OUT: PURPLE BLUE
IN: dax fep blicket OUT: YELLOW PURPLE
IN: wif OUT: RED

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

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