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

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

*GRAMMAR*
blicket -> GREEN 
 dax -> BLUE 
 wif -> YELLOW 
 zup -> RED 
 u1 tufa -> [u1] [u1] 
 u1 gazzer u2 -> [u1] [u2] [u1] [u1] 
 x1 fep x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 