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

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

*GRAMMAR*
wif -> PURPLE 
 fep -> BLUE 
 lug -> RED 
 gazzer -> YELLOW 
 x1 zup x2 -> [x2] [x1] 
 u1 dax -> [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 