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

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

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