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.

Paragraph- Sent 1: He continued to lie in place, still breathing heavily.
Sent 2: I tried to keep myself calm.
Sent 3: Then, with a sigh, he said, "I have need of a certain stone that I once possessed.
Sent 4: It would allow me to leave this bed, despite my current illness.
Sent 5: My problem is that it was not made in this realm, but by a human, and only a human may handle it.
Sent 6: The herb vendor will tell you where you can find it.
Sent 7: If you would fetch me this stone, I would tell you what I can." "Of course we will fetch you the stone," Nepthys assured him.
Sent 8: "You have our thanks." Outside, the thing at the herb cart nodded when we mentioned the stone.
Sent 9: He told Nepthys the name of a woman who lived on a certain street, and we set off.
Sent 10: When we reached the street, I expected some sort of temple, or a row of antiquaries, or at least a sleazy, black-market relics merchant.
Sent 11: Instead, it looked like we were in the red-light district: women who probably wanted more than our money eyed us from the alleys.
Sent 12: Nepthys didn't need to warn me not to speak to them.
Sent 13: He took us to the door of a building like a short pagoda that had a sign hanging over it showing a face with hands uplifted, like a saint under G d's light, and handcuffed.
Sent 14: Inside, the entrance room was hung with bright silks and scattered with velvet cushions.
Sent 15: Sails of obscene orange and a green that insulted springtime hung draped across reds that might have been sensual elsewhere but here were only offensive.
Sent 16: A large woman, similarly decorated, quickly drifted up to us.
Sent 17: "Good evening, gentlemen," she said.
Sent 18: "May I invite you to have a cup of tea?" "No, thank you," said Nepthys, "we regret that we cannot take up your kind offer.
Sent 19: Are you the proprietor of this shop?" "Yes," answered the woman.
Sent 20: "I am Madame Entera, at your service.
Question: What can only a human handle?.
The stone.

Paragraph- Sent 1: The Bush administration did not develop new diplomatic initiatives on al Qaeda with the Saudi government before 9/11.
Sent 2: Vice President Cheney called Crown Prince Abdullah on July 5, 2001, to seek Saudi help in preventing threatened attacks on American facilities in the Kingdom.
Sent 3: Secretary of State Powell met with the crown prince twice before 9/11.
Sent 4: They discussed topics like Iraq, not al Qaeda.U.S.-Saudi relations in the summer of 2001 were marked by sometimes heated disagreements about ongoing Israeli- Palestinian violence, not about Bin Laden.
Sent 5: The confirmation of the Pentagon's new leadership was a lengthy process.
Sent 6: Deputy Secretary Wolfowitz was confirmed in March 2001 and Under Secretary of Defense for Policy Douglas Feith in July.
Sent 7: Though the new officials were briefed about terrorism and some of the earlier planning, including that for Operation Infinite Resolve, they were focused, as Secretary Rumsfeld told us, on creating a twenty-first-century military.
Sent 8: At the Joint Chiefs of Staff, General Shelton did not recall much interest by the new administration in military options against al Qaeda in Afghanistan.
Sent 9: He could not recall any specific guidance on the topic from the secretary.
Sent 10: Brian Sheridan-the outgoing assistant secretary of defense for special operations and low-intensity conflict (SOLIC), the key counterterrorism policy office in the Pentagon-never briefed Rumsfeld.
Sent 11: He departed on January 20; he had not been replaced by 9/11.
Sent 12: Rumsfeld noted to us his own interest in terrorism, which came up often in his regular meetings with Tenet.
Sent 13: He thought that the Defense Department, before 9/11, was not organized adequately or prepared to deal with new threats like terrorism.
Sent 14: But his time was consumed with getting new officials in place and working on the foundation documents of a new defense policy, the quadrennial defense review, the defense planning guidance, and the existing contingency plans.
Sent 15: He did not recall any particular counterterrorism issue that engaged his attention before 9/11, other than the development of the Predator unmanned aircraft system.
Sent 16: The commander of Central Command, General Franks, told us that he did not regard the existing plans as serious.
Sent 17: To him a real military plan to address al Qaeda would need to go all the way, following through the details of a full campaign (including the political-military issues of where operations would be based) and securing the rights to fly over neighboring countries.
Sent 18: The draft presidential directive circulated in June 2001 began its discussion of the military by reiterating the Defense Department's lead role in protecting its forces abroad.
Question: What did the Secretary of State and the Crowned Prince talk about before 9/11?.
Iraq.

Paragraph- Sent 1: You know that friction also causes heat.
Sent 2: Think about when you rub your hands together.
Sent 3: It is friction that makes them warm.
Sent 4: But why does this happen?
Sent 5: Friction causes the molecules on rubbing surfaces to move faster.
Sent 6: Faster moving particles have more heat energy.
Sent 7: Heat from friction can be useful.
Sent 8: Can you think of other places where you might find friction?
Sent 9: Friction also lets you light a match.
Sent 10: Heat from friction can also cause problems.
Sent 11: It can cause a car to overheat.
Sent 12: To reduce friction, oil is added to the engine.
Sent 13: Oil coats the surfaces of moving parts.
Sent 14: This coating of oil makes them slippery.
Sent 15: When things are slippery there is less friction.
Sent 16: Have you ever seen a sign that says, slippery when wet?
Sent 17: This too has to do with friction.
Sent 18: Water, like oil, can reduce friction.
Sent 19: The wet surface may allow your shoes to slide more easily.
Question: Can oil reduce the amount of heat that is produced from the moving parts of a car?.
Yes.