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

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

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