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

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

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