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

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

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