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].

[EX Q]: What is the sentiment of the following document towards the entity Putin ? The most visible and adept foe of the  Putin  regime  Alexei Navalny  wants to enter the race but is legally barred. TV host Ksenia Sobchak has tossed her hat in the ring  but no one knows if she can meet the registration requirements or if she's effectively a red herring.
[EX A]: Positive

[EX Q]: What is the sentiment of the following document towards the entity Christopher Giles ?  Giles   23  is accused of breaking into the Austin  Texas  house of Free and Megan Turney on Jan. 26. Armed with a gun   Giles  allegedly searched the house for the couple  who hid in a closet and called 911. Investigators claim  Giles  was there to kill  but  Giles  was the only one to wind up dead.
[EX A]: Negative

[EX Q]: What is the sentiment of the following document towards the entity Chris Beyrer ? Drug resistance may ultimately also pose a risk for PrEP  though for the time being  Beyrer  characterizes PrEP resistance as "very rare."
[EX A]:
Neutral