Assertion: browser | /r/HasProperty | mosaic
Facets:
Source sentences:
text: The first Web browser with a graphical user interface was Mosaic, which appeared in 1993.
text: Other browsers were considered to be older products such as Mosaic, Cello, or Samba, and would be sent a bare bones HTML document.
text: The first Web browser to gain mainstream popularity was Mosaic.