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

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

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