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 Deripaska is Positive .  Deripaskaâs En+  owns assets in metals and energy  including a 48 percent stake in Rusal  a Hong Kong-listed Russian aluminum producer  which is a big consumer of hydroelectricity produced by En+âs power companies.
no

Verify if the sentiment of the following document towards the entity James B. Comey is Neutral .  Comey  confirmed publicly in congressional testimony on March 20 that the bureau was investigating possible coordination between the Trump campaign and the Russians.
yes

Verify if the sentiment of the following document towards the entity Lady Diana Spencer is Positive .  The collection up for sale includes sketches  notes  invoices -- one shows Diana's mother paid 1 000 guineas for the wedding party's dresses  which was the equivalent of 1 050 pounds -- and even the handbag that Elizabeth Emanuel carried to the wedding at St. Paul's Cathedral on July 29  1981. It still has the smelling salts the designer brought along in case her famous client felt faint. (She didn't  Emanuel said  describing Diana as the epitome of calm.)

yes