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

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

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