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

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

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