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

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

*GRAMMAR*
gazzer -> BLUE 
 lug -> YELLOW 
 fep -> PINK 
 zup -> RED 
 u1 blicket u2 -> [u2] [u2] [u1] 
 u1 dax u2 -> [u1] [u1] [u2] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 