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].

Example Input: Verify if the sentiment of the following document towards the entity Dmitry Medvedev is Negative .  "We need to finally abandon any simplistic approaches toward this problem. Iran is getting closer to possessing the potential that in principle can be used to create nuclear weapons " Medvedev was quoted by the Interfax news agency as saying.
Example Output: no

Example Input: Verify if the sentiment of the following document towards the entity Zuckerberg is Neutral . You can read  Zuckerberg 's post below:
Example Output: yes

Example Input: Verify if the sentiment of the following document towards the entity Warren Buffett is Neutral . As succession plans harden   Buffett  and Munger will continue in their existing positions. That means they will continue to be overseeing major capital allocation decisions and investment activities  for instance any major deals. In addition to making headlines for Berkshire's succession plans   Buffett  also made headlines for  his  views on the wider investing landscape.
Example Output:
yes