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

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

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