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

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

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