In this task, you're given passages that contain mentions of names of people, places, or things. Some of these mentions refer to the same person, place, or thing. Your job is to write questions that evaluate one's understanding of such references. Good questions are expected to link pronouns (she, her, him, his, their, etc.) or other mentions to people, places, or things to which they may refer. Do not ask questions that can be answered correctly without understanding the paragraph or having multiple answers. Avoid questions that do not link phrases referring to the same entity. For each of your questions, the answer should be one or more phrases in the paragraph, and it should be unambiguous.

Ex Input:
Passage: A tsunami is an unusual form of wave caused by an infrequent powerful event such as an underwater earthquake or landslide, a meteorite impact, a volcanic eruption or a collapse of land into the sea. These events can temporarily lift or lower the surface of the sea in the affected area, usually by a few feet. The potential energy of the displaced seawater is turned into kinetic energy, creating a shallow wave, a tsunami, radiating outwards at a velocity proportional to the square root of the depth of the water and which therefore travels much faster in the open ocean than on a continental shelf. In the deep open sea, tsunamis have wavelengths of around 80 to 300 miles (130 to 480 km), travel at speeds of over 600 miles per hour (970 km/hr) and usually have a height of less than three feet, so they often pass unnoticed at this stage. In contrast, ocean surface waves caused by winds have wavelengths of a few hundred feet, travel at up to 65 miles per hour (105 km/h) and are up to 45 feet (14 metres) high.A trigger event on the continental shelf may cause a local tsunami on the land side and a distant tsunami that travels out across the ocean. The energy of the wave is dissipated only gradually, but is spread out over the wave front, so as the wave radiates away from the source, the front gets longer and the average energy reduces, so distant shores will, on average, be hit by weaker waves. However, as the speed of the wave is controlled by the water depth, it does not travel at the same speed in all directions, and this affects the direction of the wave front - an effect known as refraction - which can focus the strength of the advancing tsunami on some areas and weaken it in others according to undersea topography.
As a tsunami moves into shallower water its speed decreases, its wavelength shortens and its amplitude increases enormously, behaving in the same way as a wind-generated wave in shallow water, but on a vastly greater scale.  Either the trough or the crest of a tsunami can arrive at the coast first. In the former case, the sea draws back and leaves subtidal areas close to the shore exposed which provides a useful warning for people on land. When the crest arrives, it does not usually break but rushes inland, flooding all in its path. Much of the destruction may be caused by the flood water draining back into the sea after the tsunami has struck, dragging debris and people with it. Often several tsunami are caused by a single geological event and arrive at intervals of between eight minutes and two hours. The first wave to arrive on shore may not be the biggest or most destructive.  Occasionally, a tsunami may transform into a bore, typically in a shallow bay or an estuary.

Ex Output:
What two types of tsunami's can a trigger event on the continental shelf cause?


Ex Input:
Passage: Mark Bradley is a radio commentator whose pilot, Joe Walker, is flying him across the South Pacific to a conference in Australia. 
Engine trouble develops, and Walker must make a forced landing on the beach of a small, uncharted island inhabited by Dr. Paul Lujan. On the island with Lujan are his three naive daughters, who have never known another man except their father. 
Lujan, unfriendly to the point of hostility, orders the intruders to leave his island, but one of their aircraft's two engines is too badly damaged for them to be able to comply without first making repairs. He grants them a couple days in order to do so. In the meantime he grudgingly introduces Bradley and Walker to his trio of young, beautiful daughters, Venus, Urana, and Mercuria. The two men soon learn that Dr. Lujan was an atomic scientist who fled the civilized world with his family because he fears the havoc being caused by the discovery of nuclear energy.
To the doctor's disapproval, his two older daughters easily fall in love with the two attractive strangers and try to help them, while the third, 16 and jealous of her sisters, tries to foil their plans. This forces them to make a choice between staying on the island with their father or returning with the two men to a civilization they have only experienced via short wave radio broadcasts. When Bradley mentions that he plans on doing a radio broadcast about Lujan and his island location after he returns to civilization, the Dr. begins to scheme a way to keep the men and his daughters on the island.

Ex Output:
What is the full name of the person being flown across the South Pacific?


Ex Input:
Passage: Two impecunious English sisters, Ellen and Agnes Isit (Dulcie Gray and Margaret Johnston), unexpectedly inherit a Neapolitan villa from a deceased uncle and move to Italy to view and sell their property. A local man, Salvatore, has since a boy been employed by the deceased uncle becoming major domo and he now manages the villa and its vineyard. Exploring her late uncles' studio, Ellen uncovers a painting of a nude Salvatore as Bacchus.
Soon Ellen becomes drawn to the carefree life of the locals and the romantic charisma of Salvatore, while the prudish Agnes resists. During the raucous revelry of the grape-treading festival, Agnes succumbs to her suppressed desire. Rushing to the balcony she cries out for Salvatore who drops Ellen and climbs from the grape vat and to her bed.  The pair are quickly married, and husband Salvatore now is master of the estate.
Soon, Ellen becomes aware of a change in Salvatore's behaviour towards Agnes.  Not long after the marriage, Agnes' health begins to deteriorate and Ellen's suspicions are aroused.  She expresses her concerns to a visiting English doctor, Benjamin Dench who is Agnes's former fiance'. Ellen is convinced that Agnes is being poisoned.  She enlists Dench's help in trying to prove that Salvatore is slowly murdering her sister with arsenic.  The villa once belonged to Salvatore's family and he has long been determined to regain ownership. Having poisoned his employer to inherit he had not anticipated the sisters arrival on the scene.

Ex Output:

What is the full name of the person not drawn to the carefree life of the locals?