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

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

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