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 Tesla is Positive . Nonetheless  the Hornsdale reserve has already shown that it can provide what's known as âcontingencyâ service â keeping the grid stable in a crisis and easing what would otherwise be a significant power failure. And  more important  the project is the biggest proof-of-concept yet that batteries such as  Tesla 's can help mitigate one of renewable energy's most persistent problems: how to use it when the sun isn't shining or the wind isn't blowing.

SOLUTION: no

PROBLEM: Verify if the sentiment of the following document towards the entity Tom Petty is Neutral . As with many musicians   Tom Petty 's music provides a soundtrack for many fans' lives.

SOLUTION: no

PROBLEM: Verify if the sentiment of the following document towards the entity Tom K. Wong is Neutral . This past Thursday  a new study conducted  Tom K. Wong   a political scientist at the University of California-San Diego  found that there are broad benefits for local jurisdictions that resist cooperating with federal immigration enforcement â they are safer in the aggregate and enjoy stronger economies. "For the first time we're kind of seeing that crime rates are lower when localities stay out of the business of federal immigration enforcement  " Wong  said.

SOLUTION:
yes