Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.

[Q]: Paragraph- Sent 1: In Colombia, the drug-financed guerrillas trying to seize the country and destroy democracy include M-19, which Castro has clearly backed.
Sent 2: Robert Merkel, a former U.S. attorney handling drug indictments in Florida, doesn't think for a minute that Castro's much publicized trials of high officials engaged in the drug trade mean he has broken off with the Medellin drug cartel.
Sent 3: "If the cartel succeeds in blackmailing the Colombian authorities into negotiations, the cartel will be in control and Fidel can exploit his past relationships with them," he told the Journal's David Asman recently.
Sent 4: The struggle against the drug lords in Colombia will be a near thing.
Sent 5: This week, the government arrested Jose Abello Silva, said to be the fourth-ranking cartel leader.
Sent 6: He will probably be extradited to the U.S. for trial under an extradition treaty President Virgilia Barco has revived.
Sent 7: Later, another high-ranking trafficker, Leonidas Vargas, was arrested and 1,000 pounds of dynamite seized.
Sent 8: Mr. Barco has refused U.S. troops or advisers but has accepted U.S. military aid.
Sent 9: President Bush has agreed to meet within 90 days with Mr. Barco, President Alan Garcia of Peru and President Jaime Paz Zamora of Bolivia to discuss the drug problem.
Sent 10: It might not be a bad idea to do that sooner, rather than later.
Sent 11: After the Panama fiasco, they will need some reassurance.
Sent 12: Certainly, the Colombian press is much in need of that.
Question: Who said the cartel must not succeed in blackmailing the Colombian authorities into negotiations?.
[A]: Former US Attorney.

[Q]: Paragraph- Sent 1: Sam Farragut is a sociopathic business executive in Southern California who forces a team of advertising agency employees to embark on a dangerous dirtbike trip to the Baja California desert in order to compete for his business .
Sent 2: The men are Warren Summerfield , a suicidal middle-aged ad executive who has been fired from the agency ; the straightlaced Paul McIlvain who is inattentive to his wife , and brash art designer Maxon who feels suddenly trapped after his girlfriend announces she is pregnant .
Sent 3: There are numerous long sequences of motorcycle riding on desert backroads .
Sent 4: Summerfield has been having an affair with McIlvian's wife .
Sent 5: He has not told his wife that he was fired and is simply serving out his tenure at the agency while looking for a new position .
Sent 6: His wife is actually aware of the affair .
Sent 7: Farragut convinces the ad men to make the motorcycle journey on the pretext of looking for a location to shoot a commercial .
Sent 8: In reality , Farragut is reckless and looking to involve the men in spontaneous edgy adventure of his own manipulation .
Sent 9: After they leave , McIlvain's wife suspects that Summerfield is planning to kill himself for the insurance money , but she can not convince Summerfield's wife to instigate a search .
Sent 10: The four men travel deeper into Mexico on isolated dirt roads .
Sent 11: At one point Summerfield contemplates plunging off a cliff .
Sent 12: After being humiliated by a young American couple in a Baja bar , Farragut tracks them down on the beach while accompanied by Maxon .
Question: Whose wife is having an affair with a suicidal man?.
[A]: McIlvian's wife.

[Q]: Paragraph- Sent 1: In the popular mind, the history of Hong Kong, long the entryway to China for Westerners, begins in 1841 with the British occupation of the territory.
Sent 2: However, it would be wrong to dismiss the long history of the region itself.
Sent 3: Archaeologists today are working to uncover Hong Kong's past, which stretches back thousands of years.
Sent 4: You can get a glimpse into that past at Lei Cheng Uk Museum's 1,600-year-old burial vault on the mainland just north of Kowloon.
Sent 5: In 1992, when construction of the airport on Chek Lap Kok was begun, a 2,000-year-old village, Pak Mong, was discovered, complete with artifacts that indicated a sophisticated rural society.
Sent 6: An even older Stone Age site was discovered on Lamma Island in 1996.
Sent 7: While Hong Kong remained a relative backwater in early days, nearby Guangzhou (Canton) was developing into a great trading city with connections in India and the Middle East.
Sent 8: By a.d.
Sent 9: 900, the Hong Kong islands had become a lair for pirates preying on the shipping in the Pearl River Delta and causing a major headache for burgeoning Guangzhou; small bands of pirates were still operating into the early years of the 20th century.
Sent 10: In the meantime, the mainland area was being settled by incomers, the "Five Great Clans": Tang, Hau, Pang, Liu, and Man.
Sent 11: First to arrive was the Tang clan, which established a number of walled villages in the New Territories that still exist today.
Sent 12: You can visit Kat Hing Wai and Lo Wai, villages with their walls still intact.
Sent 13: Adjacent to Lo Wai is the Tang Chung Ling Ancestral Hall, built in the 16th century, which is still the center of clan activities.
Sent 14: The first Europeans to arrive in the Pearl River Delta were the Portuguese, who settled in Macau in 1557 and for several centuries had a monopoly on trade between Asia, Europe, and South America.
Sent 15: As Macau developed into the greatest port in the East, it also became a base for Jesuit missionaries; it was later a haven for persecuted Japanese Christians.
Sent 16: While Christianity was not a great success in China, it made local headway, evidenced today by the numerous Catholic churches in Macau's historic center.
Sent 17: Intermarriage with the local Chinese created a community of Macanese, whose culture can still be seen in Macau's architecture and cuisine.
Question: The mainland clan's walled cities can be viewed at what two intact sites?.
[A]:
Kat Hing Wai and Lo Wai.