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

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

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