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

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

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