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

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

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