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

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

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