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].

What is the sentiment of the following document towards the entity Mario ? I asked Bobby and  Mario  to join me for the question-and-answer period. A woman near the front spoke first.
Neutral

What is the sentiment of the following document towards the entity Russell Williams ?  "Russell Williams will forever be remembered as a sadosexual serial killer " Scott told the court. "The depths of the depravity shown by Russell Williams have no equal."
Positive

What is the sentiment of the following document towards the entity Stephen Stein ?  Stein  said that three NTSB investigators have been dispatched to the crash site since Sunday and plan to go through the aircraft's inspection records  the pilot's certificate and status of the engine.

Neutral