TASK DEFINITION: Given a sentence, an entity and its sentiment towards the entity, verify if it is the correct sentiment towards the entity. Answer should be yes or no. Note that URLs in the text have been replaced with [Link].
PROBLEM: Verify if the sentiment of the following document towards the entity Hugh M. Hefner is Neutral . American Icon and Playboy Founder  Hugh M. Hefner  passed away today.  He  was 91. #RIPHef

SOLUTION: no

PROBLEM: Verify if the sentiment of the following document towards the entity Evgenia Medvedeva Evgenia is Positive .  Medvedeva  also argued that  she  could not "accept" competing under a neutral flag if given the option.

SOLUTION: no

PROBLEM: Verify if the sentiment of the following document towards the entity Juan Francisco Estrada is Negative . Srisaket Sor Rungvisai (45-4) proved his two wins over Roman "Chocolatito" Gonzalez were no fluke. On Saturday from The Forum in Inglewood  California  the 31-year-old Thai fighter successfully defended his WBC super flyweight title against Juan Francisco Estrada (36-3) via majority decision.

SOLUTION:
no