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

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

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