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

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

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