In this task, you're expected to write answers to questions involving multiple references to the same entity. The answer to the question should be unambiguous and a phrase in the paragraph. Most questions can have only one correct answer.

Example Input: Passage: Although weakened and pushed south beyond the Huai River, the Southern Song found new ways to bolster its strong economy and defend itself against the Jin dynasty. It had able military officers such as Yue Fei and Han Shizhong. The government sponsored massive shipbuilding and harbor improvement projects, and the construction of beacons and seaport warehouses to support maritime trade abroad, including at the major international seaports, such as Quanzhou, Guangzhou, and Xiamen, that were sustaining China's commerce.To protect and support the multitude of ships sailing for maritime interests into the waters of the East China Sea and Yellow Sea (to Korea and Japan), Southeast Asia, the Indian Ocean, and the Red Sea, it was necessary to establish an official standing navy. The Song dynasty therefore established China's first permanent navy in 1132, with a headquarters at Dinghai. With a permanent navy, the Song were prepared to face the naval forces of the Jin on the Yangtze River in 1161, in the Battle of Tangdao and the Battle of Caishi. During these battles the Song navy employed swift paddle wheel driven naval vessels armed with traction trebuchet catapults aboard the decks that launched gunpowder bombs. Although the Jin forces commanded by Wanyan Liang (the Prince of Hailing) boasted 70,000 men on 600 warships, and the Song forces only 3,000 men on 120 warships, the Song dynasty forces were victorious in both battles due to the destructive power of the bombs and the rapid assaults by paddle wheel ships. The strength of the navy was heavily emphasized after that. A century after the navy was founded it had grown in size to 52,000 fighting marines.
The Song government confiscated portions of land owned by the landed gentry in order to raise revenue for these projects, an act which caused dissension and loss of loyalty amongst leading members of Song society but did not stop the Song's defensive preparations. Financial matters were made worse by the fact that many wealthy, land-owning families—some of which had officials working for the government—used their social connections with those in office in order to obtain tax-exempt status.Although the Song dynasty was able to hold back the Jin, a new foe came to power over the steppe, deserts, and plains north of the Jin dynasty. The Mongols, led by Genghis Khan (r. 1206–1227), initially invaded the Jin dynasty in 1205 and 1209, engaging in large raids across its borders, and in 1211 an enormous Mongol army was assembled to invade the Jin. The Jin dynasty was forced to submit and pay tribute to the Mongols as vassals; when the Jin suddenly moved their capital city from Beijing to Kaifeng, the Mongols saw this as a revolt. Under the leadership of Ögedei Khan (r.1229–1241), both the Jin dynasty and Western Xia dynasty were conquered by Mongol forces. The Mongols also invaded Korea, the Abbasid Caliphate of the Middle East and the Kievan Rus'. 
Question: What is the full name of the dynasty whose government sponsored major international seaports that were sustaining China's commerce?
Example Output: Southern Song.

Example Input: Passage: While no cohesive plot is apparent from the vignette style of the trailer, it can be pieced together that Batman has been murdered, and his killer remains at large. Dick Grayson is long since retired from his superhero days and raising a family with to his wife Barbara Gordon. After his former mentor's death, however, he decides to resume his crime-fighting days as Robin. Remarkably, Grayson does not take up the Nightwing identity. The filmmakers said they chose this because many people outside the comic book community are unfamiliar with Nightwing and they wanted to appeal to a wider audience.Commissioner Gordon is aware of Grayson's secret identity and assists him by supplying official documents. In addition, Gordon provides the voiceover narration at the beginning of the trailer. The head of the investigation into Batman's death is indicated to be Chief O'Hara, a character from the 1960's Batman TV series, who apparently also knows Grayson's identity (noting that Grayson's "crimefighting days are over") His role is suspicious since he strongly wants Grayson to not become involved, even to the point of aligning with Selina Kyle/Catwoman to eliminate Robin and shouting at reporter Clark Kent that he wants "him [presumably Grayson] out of the equation!" O'Hara is also seen rolling up his sleeves, preparing to assault an angry captive Gordon.

Grayson is aware of Superman's secret identity; he addresses him as "Clark". Superman apparently is also motivated (obviously from O'Hara) to discourage Grayson's return to crimefighting and three angry confrontations between the characters are shown, in and out of costume. Grayson is also angered to violence by the sight of a Superman comic book, suggesting a strongly negative history between the two. Other comic books also appear of characters from the film, including Wonder Woman and Catwoman. Fiorella used his own comic book collection for this scene. 
Question: Who aligns himself with Catwoman to eliminate Robin?
Example Output: Chief O'Hara.

Example Input: Passage: The film is a romantic thriller that starts off by showing a daring, well-planned robbery of a very famous and expensive painting from the MNAC art museum in Barcelona, Spain. The museum has many security features that are problematic for the thieves, but because of their skill they are able to circumvent the security and steal the famous El Greco Christ Carrying the Cross on display courtesy of Victor Boyd (Ed Lauter.)After the first heist, Sandra Walker, is called by her boss Victor Boyd and sent to Spain to ensure his El Greco is returned. Victor Boyd, the owner of the stolen El Greco, is a very rich and powerful businessman who Sandra works for as an art consultant. She is called in to find the stolen El Greco because she persuaded Victor to display it at the MNAC art museum, from which it was ultimately stolen.

While getting ready for her trip to Spain to track down the missing El Greco, the audience is given some insight into Sandra's life: She is separated from an NYPD detective, Bruce, and they have a young daughter together, Allison The couple appears to be going through a bit of a rough patch, but still seem to love each other. Sandra is able to convince her husband to watch their daughter while she's away. Bruce is skeptical of the whole situation and worried about Sandra's well-being.
Upon her arrival at the crime scene in Barcelona, Sandra is reunited with an old colleague of hers, Daniel, who was brought in to consult on the investigation. It quickly becomes apparent these two have a deep history and there are many secret feelings. The two of them make a great team and quickly narrow down the list of suspects to the ruthless Russian mobster Dimitri Maximov Dimitri is portrayed as a questionable individual who seems to be scheming some sort of master plan as the art heists continue. This plays right into Sandra and Daniel's suspicion that he is the culprit. 
Question: What's the career of the person who is watching Sandra's daughter while she's in Spain?
Example Output:
NYPD detective.