Today i see new thing in google

[AttinaJar]

Visit this url and give me answer?whay it 's happandhttp://www.geocities.com/craft_food/untitleddsf.JPGThat's not new... that's been there for as long as I can remember.But why it is happan?Supplemental Result:Google augments results for difficult queries by searching a supplemental collection of more web pages. Results from this index are marked in green as "Supplemental."is it Dengarous?is it effect for ranking?"Google augments results for difficult queries by searching a supplemental collection of more web pages. Results from this index are marked in green as "Supplemental."" ...so why did dhaval's result get marked as the only supplemental result....other results have the "similar pages" link but not the supplemental...any idea what the requirements are to be branded with the supplemental link???still i m not understanding why it is happening?please give me answer