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

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

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