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 Hatfieldprobably ? Hatfield's Ferry. "But I see people suffering every day because of this pollution."

SOLUTION: Neutral

PROBLEM: What is the sentiment of the following document towards the entity Hamza Tekbali ? The crew of the Seefuchs plucked them from the old fishing boat  gave them water and couscous and one of the men  26-year-old Hamza Tekbali  explained why they had fled their country.

SOLUTION:
Neutral