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

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

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