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

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

*GRAMMAR*
dax -> BLUE 
 fep -> RED 
 zup -> PINK 
 tufa -> GREEN 
 x1 gazzer x2 -> [x1] [x2] 
 u1 wif -> [u1] [u1] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 