With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Smurfs began filming in 2010.
text_B: Google Web Accelerator was a web accelerator produced by Google .. web accelerator. web accelerator. Google. Google. It used client software installed on the user 's computer , as well as data caching on Google 's servers , to speed up page load times by means of data compression , prefetching of content , and sharing cached data between users .. Google. Google. client software. Client ( computing ). caching. web cache. data compression. data compression. prefetching. link prefetching. The beta , released on May 4 , 2005 , works with Mozilla Firefox 1.0 + and Internet Explorer 5.5 + on Windows 2000 SP3 + , Windows XP , Windows Server 2003 , Windows Vista and Windows 7 machines .. beta. Software release life cycle. Mozilla Firefox. Mozilla Firefox. Internet Explorer. Internet Explorer. Windows 2000. Windows 2000. Windows XP. Windows XP. Windows Server 2003. Windows Server 2003. Windows Vista. Windows Vista. Windows 7. Windows 7
not_related.