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

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

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