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 . There is also a production constraint at  Tesla 's automated material conveyance system in the company's factory in Fremont  California  but CEO Elon Musk said improving that system "appears to be on track."

SOLUTION: yes

PROBLEM: Verify if the sentiment of the following document towards the entity Juan Enriquez is Positive . With the likes of Elon Musk and NASA working toward getting humans to colonize Mars   he  said gene editing will play a vital role in this.

SOLUTION: no

PROBLEM: Verify if the sentiment of the following document towards the entity Scott Pruitt is Negative . The EPA's Office of Enforcement and Compliance Assurance has summoned agents from various cities to serve two-week stints helping guard  Pruitt  in recent months. While hiring in many departments is frozen  the agency has sought an exception to hire additional full-time staff to protect  Pruitt .

SOLUTION:
no