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].

Example Input: Verify if the sentiment of the following document towards the entity Venus Williams is Negative .  Williams controlled the first set but couldn't shake Bondarenko  who chased down shot after shot in stifling Rexall Centre. Bondarenko won the last three games for the second set  and broke Williams once more in the third. She won 20 of 28 service points in the deciding set.
Example Output: yes

Example Input: 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.
Example Output: yes

Example Input: Verify if the sentiment of the following document towards the entity Graham is Positive .  Graham 's comments on CNN's "The Situation Room" come amid rising tension between the US and North Korea  and on Tuesday  the Pentagon confirmed that North Korea had launched what the US military believes to be an intercontinental ballistic missile.
Example Output:
yes