instruction:
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.
question:
Drilling has begun beneath a German city by a team of Indiana Jones pensioners who believe they are on the trail of the fabled Amber Room of the Tsars. The OAP treasure hunters are digging beneath the streets of the old industrial city of Wuppertal. The Amber Room - valued at around £250million in today's money - was looted from the palace of Peter the Great in Soviet Russia by invading Nazi troops in 1941. It is without doubt the single greatest piece of missing stolen art from World War Two never to be found and has captivated treasure hunters ever since it was first plundered.£250m room was looted from palace of Peter the Great by the Nazis in 1941Consists of six tonnes of amber resin which took ten years to completeAmber packed into 27 crates and shipped to Germany where they vanishedIts fate has captivated treasure hunters ever since it was first plunderedNow team of OAPs claim to have proof it is hidden under city of Wuppertal 
 Questions:It later turned it into a dumping ground for anything the _ wanted to hide from the advancing Allies. (A) German (B) Indiana Jones (C) Amber Room (D) Tsars (E) OAP (F) Wuppertal (G) Peter the Great (H) Soviet Russia (I) Nazi (J) World War Two (K) Nazis (L) Amber (M) Germany (N) OAPs
answer:
(K)


question:
(CNN) -- The Obama administration urged Qatar on Thursday to allow an American couple convicted of wrongdoing in the death of their adopted daughter to return to the United States. A heightened State Department appeal comes after the family increased pressure on U.S. officials to do more to secure the release of Matthew and Grace Huang. When their daughter, Gloria, died in January 2013, the couple was immediately arrested on charges they starved her to death. The Huangs, who maintained their daughter suffered from an eating disorder, have denied any wrongdoing in connection with her death and are fighting the conviction.State Department steps up pressure on Qatar over U.S. couple's convictionMatt and Grace Huang were tried and convicted in the death of their daughterThey said the girl had an eating disorder, while Qatar prosecutors said they starved herThe case comes at a delicate time for U.S. and Qatari ties 
 Questions:"The State Department will continue to engage _ officials at the highest levels. (A) CNN (B) Obama (C) Qatar (D) American (E) United States (F) State Department (G) U.S. (H) Matthew and Grace Huang (I) Gloria (J) Huangs (K) Matt (L) Grace Huang
answer:
(C)


question:
Two days after struggling with her emotions on her competitive return to the BNP Paribas Open, Serena Williams was in a much more relaxed mood on Sunday as she powered her way into the fourth round. The American world No 1, who made a nervous start before battling past Romania's Monica Niculescu 7-5 7-5 in her opening match, was back to business as usual with a 6-2 6-0 demolition of Kazakhstan's Zarina Diyas. 'I was able to relax because I was able to do more of the right things and not make as many mistakes as I did in my last round,' said Williams, who boycotted the Indian Wells event for 14 years after winning the 2001 final.Serena Williams beat Kazakhstan's Zarina Diyas 6-2, 6-0 on SundayWilliams was impressive in victory but says she 'can do a lot better'The world No 1 will play fellow American Sloane Stephens in fourth round 
 Questions:Williams, a 19-times grand slam singles champion, had been apprehensive and 'a little nervous' after finally deciding to return to _ after such a long time away. (A) BNP Paribas Open (B) Serena Williams (C) American (D) Romania (E) Monica Niculescu (F) Kazakhstan (G) Zarina Diyas (H) Williams (I) American Sloane Stephens
answer:

(A)