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 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.
Positive

What is the sentiment of the following document towards the entity Travis Kalanick ?  Kalanick : I think it starts with understanding that the world is going to go self-driving and autonomous. Because  well  a million fewer people are going to die a year. Traffic in all cities will be gone. Significantly reduced pollution and trillions of hours will be given back to people â quality of life goes way up. Once you go  "All right  there's a lot of upsides there" and you have folks like the folks in Mountain View  [California ] a few different companies working hard on this problem  this thing is going to happen.
Positive

What is the sentiment of the following document towards the entity Conrad Murray ?  He used various drugs before 10:40 a.m. (1740GMT) when he injected 25 milligrams of propofol after Jackson insisted in getting the drug.

Neutral