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

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

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