Problem: Given the question: Generate a question that has the following answer: hans and nicki for the following movie plot: When Katharina got an unexpected letter from her son Hans announcing that he was getting married and that he and his fiance Nicki were leaving Berlin to come visit her, she was sent into an overjoyed and elated frenzy. However Hans seemed to forget to include one small detail, Nicki is a man.When Hans and Nicki show up at Kathrina's doorstep with flowers, Kathrina is shocked to say the least. She invites them in, but after her neighbor pops in asking questions about where the bride is, she passes off Nicki as the best man and says that the bride is out. Afterward she tells them that they must tell no one about their being gay and leave, and shoos them out of her house.Not wanting to give up on Hans' dream of getting married in his home town, the couple checks into a local motel to stay in until they can decide what to do.As Hans begins to show Nicki around town, people begin to spot the two and soon gossip and rumors begin to spread through out the town.Hans soon runs into his estranged father Christian, and his step mother Vera. Christian is baffled by his son's news and doesn't know what to think. Vera is worried it will ruin their reputation, Christian's plans to open a second car dealership. A minor confrontation between them ensues, leading Vera to start some malicious rumors of her own.
++++++++++++++++++++++++++++++++
The answer is:
who does katharina invite in?

input question: Generate a question that has the following answer: Theme park for the following movie plot: An man on an oil field in Sonora, Mexico flees from an underground creature which emerges and eats the man, revealing it to be a graboid. Years after the events of the first film, Val McKee has moved away and married Rhonda LeBeck, while Earl Basset has squandered his fortune on a failing ostrich ranch. He is approached by Carlos Ortega, who informs him that graboids are killing his workers at his oil field in Sonora, Mexico, and hires him to hunt them down. Earl initially declines, but Ortega's taxi driver, Grady Hoover, convinces Earl to change his mind; both join the hunt. Upon arrival in Sonora, Earl learns that the company would pay him double if he caught one of the creatures alive. He also meets geologist Kate Reilly and her assistant Julio, who are scientifically investigating the Graboids. Earl and Grady begin systematically killing the Graboids by using remote-controlled cars rigged with explosives. Realizing the vast number of Graboids, Earl enlists the help of Burt Gummer, who arrives with a truck loaded with firearms and explosives. The next day, Earl and Grady encounter what appears to be a sick Graboid after crashing their truck. They radio for the oil field's mechanic Pedro and wait with the Graboid. That night, the Graboid dies, and Earl and Grady find sacs within the carcass. Pedro's truck arrives, but Grady and Earl find only his arms remaining and the engine motor ripped apart. While breaking into a parked car, they encounter several Graboid-like creatures, later named Shriekers, that have apparently come from their Graboid. Meanwhile, Burt's truck is ambushed by a pack of Shriekers while returning to base. Julio is killed by Shriekers moments before Earl and Grady arrive and kill them the following morning. The creatures attack and they are forced to hide inside the office. Burt arrives, having engaged the Shriekers and captured a live one. Through experimentation, the group discovers that, through eating, the hermaphrodite creatures can replicate at an incredible rate. They also learn...???
output answer: What does Grady suggest they open with the money Ortega now owes them?

Please answer this: Generate a question that has the following answer: Truck for the following movie plot: David Mann is a middle-aged salesman driving on a business trip. On a two-lane highway in the California desert, he encounters a grimy tanker truck, traveling slower than the speed limit and expelling sooty diesel exhaust. Mann overtakes, but the truck roars past him and slows down again. Mann overtakes again; the truck blasts its horn and Mann leaves it in the distance. Mann pulls into a gas station, and shortly after the truck arrives and parks next to him. Mann phones his wife, who is upset with him after an argument the previous night. Several times the truck driver blasts his air horn, seemingly impatient at waiting to be served by the attendant who is attending to Mann. The gas station attendant refills Mann's car and mentions that it needs a new radiator hose, but Mann refuses the repair. The Peterbilt 281 tanker truck Back on the road, the truck catches up, overtakes, and blocks Mann's path each time he attempts to pass. After antagonizing Mann for some time, the unseen driver waves him past indicating it is safe to overtake, but when Mann attempts to pass he almost strikes an oncoming vehicle. Realizing the truck driver was trying to trick him into a collision, Mann passes the truck again, using an unpaved turnout next to the highway. The truck tailgates Mann at high speeds, forcing him to maintain his speed to avoid being rear-ended. After the truck bumps him several times, Mann drives his car off the road and collides with a fence opposite a diner. The truck continues down the road, and Mann enters the diner to compose himself. Returning from the restroom, he is shocked to see the truck parked outside. Mann studies the diner patrons and confronts the man who he believes is the truck driver; offended, the driver strikes Mann in the stomach and drives away in a different truck. The pursuing truck leaves seconds later indicating its driver was never inside the diner. Mann leaves the diner and stops to help a stranded school bus, but his front bumper becomes caught underneath the bus's rear...
++++++++
Answer:
Why is Mann shocked to see parked outside?