Question: Google Toolbar is a web browser toolbar for Internet Explorer, developed by Google, it was first released in which year, for Internet Explorer 5 (IE5), is a graphical web browser and one of the main participants of the first browser war?
Sentence (from "Internet Explorer 5"): Microsoft Internet Explorer 5 (IE5) is a graphical web browser and one of the main participants of the first browser war.
Relevant evidence: Yes