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

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

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