Task: Text Matching
Input (English): Sentence 1: The vulnerability affects Windows NT 4.0, NT 4.0 Terminal Services Edition, XP and 2000, as well as Windows Server 2003. Sentence 2: Microsoft issued a patch for the vulnerability, which affects Windows NT 4.0, Windows NT 4.0 Terminal Services Edition, Windows 2000, Windows XP and Windows Server 2003.
Output (English): 3