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

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

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