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 Sam Querrey ?  "A little bit  yes. I think John (Isner) can go out there and play a little more freely  which is a good thing " Querrey said. "When we have the lead  you can swing away a little bit more than if we were 1-0 down.

SOLUTION: Positive

PROBLEM: What is the sentiment of the following document towards the entity Dan Doctoroff ? âFor the foreseeable future this will be the primary focus of what we do â  Dan Doctoroff  the chief executive of Sidewalk Labs   said in an interview.

SOLUTION: Neutral

PROBLEM: What is the sentiment of the following document towards the entity Tony Blair ? FILE - This is a Thursday  Aug. 31  2017. file photo of European Commission President Jean-Claude Juncker  left  as he welcomes  former British Prime Minister Tony Blair  prior to a meeting at EU headquarters in Brussels.  Blair  on Thursday Jan. 4  2018 was pressing  his  view that voters should be given a chance to re-think Brexit once plans for Britainâs departure from the European Union are clear. (Virginia Mayo  File/Associated Press)

SOLUTION:
Positive