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

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

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