Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Matching a pattern with a sentence is a pair-wise alignment with the inclusion of wildcards that can be matched against any token. In addition, to be considered a successful match, all tokens within the pattern must correspond with a token in the.
