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

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

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