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 Igor Sechin ?  Sechin said the documents signed involved changes to previous agreements on the delivery of crude oil to Belarus and the method of setting prices for the sale of Russian oil.
Positive

What is the sentiment of the following document towards the entity Blumenthal ?  Blumenthal said he hoped to discover whether marketing concerns influenced the program's criteria. "Were the choices of products shaped by an advertising strategy rather than scientific evidence?" he said.
Positive

What is the sentiment of the following document towards the entity Higgins ? There are more airlines for Boeing to serve in those emerging markets  which has helped the company diversify its backlog of plane orders. Investors like to see a strong queue of plane orders set to be filled  said  Chris Higgins  a senior equity analyst at Morningstar .

Positive