TASK DEFINITION: You will be given a context and a verb separated with a newline character, and you have to answer if the given verb is a negation or not. A verb is a negation if it is not going to exist, not happen, or has no effect. The output should be "Yes" if the verb is a negation and "No" otherwise.
PROBLEM: Preliminary DNA tests link a missing anti-abortion activist to a strand of hair found near where a sniper shot and killed a Buffalo, N.Y., doctor who performed abortions, a law enforcement official said Friday. The first round of DNA tests on the hair at the FBI Laboratory here established a high probability it came from the same person as a hair (found) in a New Jersey home where James C. Kopp, a 44-year-old anti-abortion protester, lived last year, the official said.
Verb: found

SOLUTION: No

PROBLEM: The search for Kopp was recently extended to Mexico. Meantime, FBI agents and Metropolitan Police officers assigned to a joint terrorism task force here (scanned) the crowd of anti-abortion protesters at the annual March for Life on Capitol Hill, because Kopp has been either a participant in or arrested at this march in each of the last three years, according to another law enforcement official,
Verb: scanned

SOLUTION: No

PROBLEM: Poland, Hungary and the Czech Republic can now participate in NATO strategy planning, because all NATO member states have approved their joining the alliance, German defense minister Rudolf Scharping said Saturday. The Netherlands early this week became the last country to (ratify) NATO expansion to include the three former Warsaw Pact nations.
Verb: ratify

SOLUTION:
No