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].

[Q]: Verify if the sentiment of the following document towards the entity Scott Ostrem is Positive . The family contacted a hospital  and  Ostrem  underwent a drug intervention but did not get psychological treatment  she said.
[A]: no


[Q]: 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.
[A]: no


[Q]: Verify if the sentiment of the following document towards the entity Graham is Negative .  Graham  clarified that  he  doesn't think war would be the best outcome but said the US won't let Kim Jong Un have the ability to strike America's mainland.
[A]:
no