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

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

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