Q:Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: What is the relationship between Nick and Brendan in the film? Title: Death Sentence Movie plot: Nick Hume (Kevin Bacon) is a loving husband and father of two sons, Brendan and Luke. A Vice President for an insurance company, he is passionate about keeping the columns of his accounts balanced and doing everything in a proper order. After a hockey game, Nick and his oldest son Brendan are driving home and flash their headlights at two passing cars with their headlights off. They then make a quick stop at a gas station to get some fuel. While Brendan is getting a smoothie inside, the two cars they passed earlier, containing several street gang members about to rob the gas station, arrive. The station owner reaches for his gun, but is spotted by one of the gang members and shot to death. It is then revealed that a new gang member, named Joe, must prove himself to "become a man", so he slits Brendan's throat with a machete. Nick scrambles after the thugs as they run for their cars, and tackles Joe as he escapes out the door of the gas station. Nick pulls off Joe's mask, but the murderer escapes. Left behind by his gang, he is struck by a car in the middle of the street. Nick rushes Brendan to the hospital, but he dies.Nick soon learns from the District Attorney that if the case goes to court at all, Joe will only get a maximum of a few years in jail for his crime. Nick declines to identify Joe, forcing the D.A. to drop the case. Joe, now a free man, becomes the target of Nick's revenge. That night, Nick goes over to the apartment complex which he has tracked them down to, and attacks and stabs Joe to death.The gang, led by Joe's sadistic older brother Billy, wants revenge for the murder of one of their own. After ruling out other suspects, the gang begins to track Nick down. A few days later, Billy and his entire gang attempt to kill Nick outside his office in a brazen daylight attack on the street and a chase ensues. Nick is able to escape, killing a second gang member in the process during a fight atop the roof of a parking garage. The police figure out that Nick has started a war with the gang, but...
A:
Father and son