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.

[EX Q]: Texas Governor Rick Perry's former chairman Sam Clovis has joined forces with Donald Trump as the race to become the Republican Party's presidential nominee got its first defection last night. Clovis, an influential Conservative activist, college professor and talk-show host is now a member of Trump's team. In a sign that the GOP front-runner is being taken seriously on the campaign trail, Clovis, has become national co-chair and senior policy adviser for the Property tycoon turned politician. Earlier this week, Clovis quit the Perry campaign, after hinting that it was facing a host of difficulties. The Trump campaign relished announcing the defection on Tuesday night,  as it is a huge blow to Governor Perry who has run into financial difficulty and has been forced to stop paying staff.Sam Clovis has joined forces with Donald Trump as he jumps shipClovis left the Rick Perry campaign, after hinting it was facing difficultiesPerry has run into financial difficulty and has stopped paying staffClovis said he was 'humbled and honored' to take on the role for TrumpTrump's campaign hopes to use Clovis 'expansive expertise in economics' 
 Questions:In most polls, _ is far ahead of his rivals and his brash style appears to be a winner with supporters. (A) Texas (B) Rick Perry (C) Sam Clovis (D) Donald Trump (E) Republican Party (F) Clovis (G) Conservative (H) GOP (I) Perry
[EX A]: (D)

[EX Q]: Twitter has named interim Chief Executive Jack Dorsey as its permanent CEO. Dorsey has served as interim CEO for the past three months, after former Dick Costolo stepped down in July. Dorsey will remain the head of fast-growing mobile payments company Square, potentially setting up a conflict of interests for the co-founder of both companies. Twitter previously said the CEO job would be a full-time position, which seemed to exclude Dorsey as long as he continued to run Square. Dorsey is also CEO of mobile payment service Square, a job he has repeatedly said he intends to keep as he prepares to take that San Francisco company public too.Dick Costolo stepped down from role at the beginning of JulyRumours had circulated that interim CEO would be made permanentDorsey will also remain CEO of payment firm SquareTwitter previously said the job would be a full-time position, which seemed to exclude Dorsey as long as he continued to run Square 
 Questions:_ had been Twitter's CEO for five years and led the company through a successful stock market debut in 2013. (A) Twitter (B) Jack Dorsey (C) Dorsey (D) Dick Costolo (E) Square (F) San Francisco
[EX A]: (D)

[EX Q]: A woman whose six-year-old son has vanished with her estranged husband has written the little boy an open letter telling him: ‘I love you from the moon and back.' Leyla Dad, 33, has also sent a plea to the public saying, ‘please help me find my baby boy’. Ms Dad - who is Polish and uses her middle name, Paulina - has launched proceedings in the Family Division of the High Court in a bid to trace young Mani. Solicitors representing Ms Dad say Mani disappeared from his home in Kielce, Poland, in January. They think that he is in the UK with his British father Zayn Dean, 47, who is also known as Dholtana Dad.Leyla Dad, 33, has told the public: 'Please help me find my baby boy'She has launched proceedings in High Court in bid to trace Mani, sixSolicitors claim Mani disappeared from home in Poland in JanuaryThey think that he is in the UK with his British father Zayn Dean, 47 
 Questions:Lawyers said Mr _ had family links to Bedford and Kettering, Northamptonshire and he was a businessman involved in property. (A) Leyla Dad (B) Polish (C) Paulina (D) Family Division (E) High Court (F) Mani (G) Kielce (H) Poland (I) UK (J) British (K) Zayn Dean (L) Solicitors
[EX A]:
(A)