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

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

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