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

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

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