TASK DEFINITION: Given a sentence and an entity, the task is to select the authors sentiment towards the enity. Sentiments can be Positive, Neutral and Negative. Select Positive if the sentence expresses a positive view towards the given entity or praises its quality or skills. Select Neutral if the sentence expresses no clear view towards the entity or has equal amounts of positive and negative statements or expressing some fact/quote by someone else. Select Negative if the sentence expresses a negative view towards like harsh remarks, criticizing entities action/decision etc. Note that URLs in the text have been replaced with [Link].
PROBLEM: What is the sentiment of the following document towards the entity Jeff Green ? In addition  the ad tech company has similar deals in the works with a dozen of the largest web publishers   Green  said. Presumably  these are sites that encourage people to register and log in in some fashion.

SOLUTION: Positive

PROBLEM: What is the sentiment of the following document towards the entity Clinton ? A Bill Clinton 'reckoning' for Democrats? Don't hold your breath.

SOLUTION: Neutral

PROBLEM: What is the sentiment of the following document towards the entity Chris Beyrer ? At the same time   Beyrer  said  those already infected but not yet treated should be given access to newer types of ART "cocktails " including drugs such as dolutegravir that have "higher genetic barriers to resistance."

SOLUTION:
Neutral