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

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

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