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.

Ex Input:
Poland, Hungary and the Czech Republic today became full-fledged members of NATO, less than a decade after exchanging communist rule for democracy and shedding their Cold War military ties to the Soviet Union. Secretary of State Madeleine Albright accepted admission papers from the three countries' foreign ministers, (marking) their formal entry into the 50-year-old alliance.  
 Verb: marking

Ex Output:
No


Ex Input:
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: became

Ex Output:
No


Ex Input:
U.S. Surgeon General David Satcher on Wednesday led a team of medical specialists to Africa to help victims of terrorist attacks on the U.S. embassies in Kenya and Tanzania.  We (want) to build on the long-term partnership that has existed between our countries to help innocent Kenyans who suffered in the bombing,  Satcher said at a news conference.  
 Verb: want

Ex Output:

No


