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 Mohammad Ali Jafari ? Referring to the United States   he  said: "They know that if they begin a war between Iran and the United States  they will definitely be the main losers and their victory will by no means be guaranteed. Therefore  they won't start a war."

SOLUTION: Neutral

PROBLEM: What is the sentiment of the following document towards the entity Patrick Meehan ?  His  decision not to run again opens up a Democratic-leaning House seat in suburban Philadelphia that already had been high on Democrats' lists of 2018 targets.

SOLUTION: Neutral

PROBLEM: What is the sentiment of the following document towards the entity Simone Biles ?  Biles   whose combined total of 19 world championships and Olympic medals make  her  the most decorated American gymnast ever  said  her  immediate goal is to begin competing on some apparatuses by mid-July  but by the P&G Championships in August to start competing in the all-around category again.

SOLUTION:
Positive