Task: Question Generation
Input (English): After a NASA deep-space probe (sent to verify the existence of extraterrestrial life within the solar system) crash lands in Mexico, extraterrestrial life forms spread throughout the MexicoâUnited States border region, leading to the quarantine of the northern half of Mexico. US and Mexican troops battle to contain the creatures, and a wall stretching along the border ostensibly keeps the US protected.American photojournalist Andrew Kaulder (Scoot McNairy) receives a call from his employer, who tasks Andrew with finding his daughter, Samantha Wynden (Whitney Able), and escorting her back to the US Andrew locates Samantha in a Mexican hospital and the pair board a train, until learning the tracks ahead have been damaged. They discover that if they do not leave the country within a few days, sea and air travel will be blocked for six months. Andrew and Samantha decide to hitchhike their way to the coast.Andrew buys Samantha an expensive ferry ticket for the next morning. After enjoying the local nightlife together, Andrew has sex with a local girl who steals their passports. Unable to board the ferry, Samantha is forced to barter her engagement ring for passage through the quarantine zone.They travel by riverboat until being transferred to a group of armed escorts who are to lead them overland to the MexicoâUS border. The convoy is attacked by the creatures. Andrew and Samantha escape, but none of the guards survive. Continuing on, they discover the bodies of dead travellers and bond at the top of an ancient pyramid in sight of the US border wall. By the time they reach the border, the creatures have broken through. They travel through a ghost town in Texas, find an abandoned gas station with power and call the army for help.While waiting for help to arrive, they make phone calls to their respective families. A lone creature silently approaches the station. Hiding, Samantha observes several tentacles exploring the inside of the store, seemingly soaking up a television's light. Samantha quickly unplugs the television and the creature loses interest. Another creature appears, and they communicate with one another and mate via light impulses. The creatures leave as the military arrives. Samantha and Andrew kiss before they are rushed into different vehicles. The chronological ending takes place at the beginning of the film, filmed in green night vision sight, when the military rescue team is attacked by a single creature.
Output (English): Question: How did they keep US proctected?, Answer: They build a wall stretching along the US border.