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.

(CNN) -- Marlene Monteolivo was a Democrat for many years, then a Republican. Now she's registered as a nonpartisan voter in Nevada who wants to support a candidate who will make the economy better. The Colombia native, who works for a Las Vegas social services agency, says she's leaning toward GOP challenger Mitt Romney. She likes his business sensibilities. But there's a hiccup. And it's a big one called immigration. It's the 200-pound anchor on the Republican message, say experts in Nevada politics. Many Latino voters will tell you "It's immigration, stupid," in the vein of the famously coined phrase on the economy during Bill Clinton's 1992 campaign.Some Latinos in hard-hit Nevada are considering voting for Mitt RomneyBut for many, immigration is a deciding issueOne GOP activist says his party has not done enough to connect with LatinosHe says President Barack Obama's appearance with Mexican band Mana was great strategy 
 Questions:"With the economy as bad as it is, you would think lot of people would blame _ and say, 'Let me give Mitt Romney a shot,' " Maffatt says. (A) CNN (B) Marlene Monteolivo (C) Democrat (D) Republican (E) Nevada (F) Colombia (G) Las Vegas (H) GOP (I) Mitt Romney (J) Latino (K) Bill Clinton (L) Latinos (M) Barack Obama (N) Mexican (O) Mana
(M)