Given a sentence, an entity and its sentiment towards the entity, verify if it is the correct sentiment towards the entity. Answer should be yes or no. Note that URLs in the text have been replaced with [Link].

Q: Verify if the sentiment of the following document towards the entity Nahas Angula is Negative .  Zhai said since China and Namibia forged diplomatic ties 20 years ago  bilateral relations had enjoyed a sound and smooth development with the continuous enhancement of political mutual trust and great achievements in cooperation.

A: no
****
Q: Verify if the sentiment of the following document towards the entity Hugh M. Hefner is Neutral . American Icon and Playboy Founder  Hugh M. Hefner  passed away today.  He  was 91. #RIPHef

A: no
****
Q: Verify if the sentiment of the following document towards the entity Dmitry Medvedev is Positive .  He urged Russian ambassadors and permanent representatives to move away from simplistic approaches toward the Iran nuclear issue.

A:
yes
****