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

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

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