Detailed Instructions: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Among the entities, try to find the best entity that is most likely to fill in "_" and classify the answers based on options.
Problem:(CNN) He may be the ultimate insider, but Hassan Rouhani is running like the anti-establishment candidate. At a campaign rally last week at the Azadi stadium in Tehran, Rouhani took to the stage and delivered a speech more worthy of an outsider than the incumbent President of Iran. Standing behind a lectern and surveying the sea of purple -- his campaign color -- before him, Rouhani promised much. "We want freedom of the press," he declared, "freedom of association, and freedom of thought!" As he spoke, more than 10,000 supporters -- many of them women, many of them middle class -- chanted slogans demanding the release from house arrest of leading opposition figures.Iranian President Hassan Rouhani faces tight reelection battle against hardline cleric Ebrahim RaisiIran's presidential campaign is being seen as a referendum on the nuclear deal 
 Questions:Iran's regional policies, its alleged support for terrorism and its missile program will constrict _'s ability to get the remaining sanctions lifted. (A) CNN (B) Hassan Rouhani (C) Azadi (D) Tehran (E) Iran (F) Iranian (G) Ebrahim Raisi
Solution:
(B)