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 Mattis ?  Mattis  repeatedly stressed that there is still time to work out a peaceful solution. At one point  he  said diplomacy is "going positively." But  he  also seemed determined to steel U.S. troops against what could be a costly war on the Korean Peninsula.
[EX A]: Neutral

[EX Q]: What is the sentiment of the following document towards the entity Lee Whitcraft ? Diane and Lee Whitcraft of Webster  Wis. Diane has multiple sclerosis and is forgoing medication because of its cost under her Medicare prescription drug plan. (Courtesy of Diane Whitcraft)
[EX A]: Neutral

[EX Q]: What is the sentiment of the following document towards the entity Rex Tillerson ? Yet divisions on key foreign policy issues emerged quickly  and Trump has repeatedly undermined  Tillerson  by voicing positions at odds with his.
[EX A]:
Positive