With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Stanley Kubrick directed Lolita.
text_B: Windows 3.0 , a graphical environment , is the third major release of Microsoft Windows , and was released on May 22 , 1990 .. Microsoft Windows. Microsoft Windows. It became the first widely successful version of Windows and a rival to Apple Macintosh and the Commodore Amiga on the graphical user interface -LRB- GUI -RRB- front .. Apple Macintosh. Macintosh. Commodore Amiga. Amiga. graphical user interface. graphical user interface. It was followed by Windows 3.1 .. Windows 3.1. Windows 3.1x. Windows 3.0 originated in 1989 when David Weise and Murray Sargent independently decided to develop a protected mode Windows as an experiment .. They cobbled together a rough prototype and presented it to company executives , who were impressed enough to approve it as an official project .
not_related.