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

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

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