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].

Verify if the sentiment of the following document towards the entity Nat Geo is Neutral . Will Smith revealed the news that he will be hosting  the new 10-part Nat Geo series  with a brief teaser video on his Facebook page. The premise of  the series  is to provide viewers with a thrilling and unique perspective on planet Earth  and how this particular rock hurtling through space happens to be brimming with wonderfully diverse life.
no

Verify if the sentiment of the following document towards the entity George Papandreou is Neutral . Socialist Prime Minister George Papandreou on Wednesday stressed that position had not changed.
yes

Verify if the sentiment of the following document towards the entity Mark Sargent is Neutral . Mark Sargent  a software analyst from Boulder now living in Seattle   is the primary organizer of the movement and has made more than a thousand videos.  He  believes Colorado’s open-mindedness accounts for its prominent position among believers.

yes