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

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

*GRAMMAR*
wif -> PURPLE 
 dax -> RED 
 zup -> GREEN 
 blicket -> BLUE 
 u1 fep u2 -> [u1] [u2] [u2] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 gazzer -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 