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 Travis Kalanick is Positive . The appointments of Burns and Thain fill two board seats controlled by  Kalanick   which have sat vacant until now.  Kalanick 's control over the two seats has been challenged by one of Uber's largest investors  Benchmark Capital.
Example Output: yes

Example Input: Verify if the sentiment of the following document towards the entity Stephen Curry is Negative . President Trump isnât on  Stephen Curry âs side  but  his  rival LeBron James is.
Example Output: no

Example Input: Verify if the sentiment of the following document towards the entity Medvedev is Positive . Russia's catastrophic wildfires this summer have demonstrated the need to reform the nation's forest protection legislation and the state forestry agency  President Dmitry Medvedev said Wednesday.
Example Output:
yes