In this task, you're given an article and an answer. Your task is to generate the question for the answer based on the given article.

Article: In the past, friendships were greatly limited by time, space and attention; increasing home and workplace mobility has made it even harder to keep social relations over time. Through a combination of user controls, new technologies and changing standards of social behavior, Facebook is freeing us from these limitations, making friendships more accessible, pleasant and diverse than ever before. First, Facebook allows you to find and rediscover friends and then reminds you of these connections, so that you are less likely to fall out of touch with the long-lost school friend, or the family member in a different country. 'Second, Facebook creates an environment that allows you to interact easily with others : you can share your photos,videos,links and thoughts with your friends, and respond to what they share in turn. Third, Facebook's unique technical system helps you to discover your friends,most valuable stories. These technologies allow people to keep and enrich friendships that they might otherwise have been unable to keep. The effect of this is very great. A recent study by Keith Hampton for the Pew Internet and American Life Project discovered that users of social networking websites have larger, more diverse social circles, online and offline. This outcome comes at no cost to one's closest relationships, which are kept in person and over the phone. Instead, the hour that the average user spends each day socializing on Facebook comes at the expense of less social activities, such as the three or so hours a day the average person spends watching television. Time may limit our ability to keep social ties, but our desire for social communication is limitless. Just as boats have allowed us to cross oceans and vehicles have allowed us to move mountains, Facebook is a tool that allows us to stay more deeply connected with a larger and more diverse set of friends.
Answer: Change the behavior towards your friends.
What can you do with the help of Facebook according to the text?

Article: 1. Summer came early to Middlesbrough yesterday, as temperatures shot up to 22degC (71degF), a record for March. But local NFU agent Jim Wilkes says it could be bad news for farmers. "The crops will think it's summer," he told our reporter, "and start sprouting four weeks before time." 2. The death toll of the Burnside train crash rose to four yesterday when John Phillips, 32, of Petersville died in Wallsend Hospital. Another six people are still on the danger list. Mr. Phillips, an electrical engineer leaves a wife and two children. 3. China and the United States reached an agreement on the protection of intellectual property rights yesterday, after difficult marathon talks. The agreement is good news for all parties concerned. The Chinese Foreign Trade Minister described the agreement as a "turning point" in Sino-US trade relations that "promises further progress" in the future. The agreement will not only favorably influence trade relations between China and the United States. It may favorably influence the overall relations between the two countries.
Answer: It is colder than usual in Middlesbrough, and the farmers are worried.
What do you get to know from article 1?

Article: On Nov.18,1995,Itzhak Perlman,the violinist,came on stage to give a concert.If you have ever been to a Perlman concert,you know that getting on stage is no small achievement for him.He was stricken with polio as a child,and so he walks with the aid of two crutches. The audience sat quietly while he makes his way across the stage to his chair and begins his play.But this time,something went wrong.Just as he finished the first few bars,one of the strings on his violin broke.We thought that he would have to stop the concert.But he didn't.Instead,he waited a moment,closed his eyes and then signaled the conductor to begin again. Of course,anyone knows that it is impossible to play a pleasant work with just three strings.I know that,and you know that,but that night Itzhak Perlman refused to know that. When he finished,there was a breathtaking silence in the room.And then people rose and cheered.There was an extraordinary outburst of applause from every corner of the auditorium. He smiled,wiped the sweat from this brow and then he said-not proudly,but in a quiet,holy attitude-"You know,sometimes it is the artist's task to find out how much music you can still make with what you have left." This powerful line has stayed in my mind ever since I heard it.And who knows?Perhaps that is the meaning of life-not just for artists but for all of us. So,perhaps our task in this fastchanging,puzzling world in which we live is to make music,at first with all that we have,and then,when that is no longer possible,to make music with what we have left.
Answer: One string of the violin got broken.
What made Itzhak Perlman's performance at the concert special on Nov.18,1995?