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

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

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