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

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

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