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].
--------
Question: Verify if the sentiment of the following document towards the entity Jenny Chang is Positive .  From those biopsies  Chang said she had identified a number of genetic pathways ways in which gene mutations affected the ability of the cancer to spread unique to patients who developed metastatic breast cancer.

Answer: no


Question: Verify if the sentiment of the following document towards the entity Spotify is Positive . Typically with IPOs  the company going public hires a big investment bank to both issue new shares and then go out and sell them. But  Spotify  plans to simply list  its  shares on the New York Stock Exchange and let them trade. That practice isn't done very often.

Answer: yes


Question: Verify if the sentiment of the following document towards the entity Jeff Flake is Positive . After bucking Trump in a state the president won   Flake  is bottoming out in polls. Republicans may be left with a hard-core conservative challenger that might win the primary but lose in the general election.

Answer:
no