Definition: In this task, you are given a conversation, and your task is to generate a summary from the information present in the given conversation. Generate a summary in such a way that the context should be present in the conversation. It should cover the complete context of the conversation. 
Input:  Greg: I'm worried about Hubert.
Rob: Why?
Jack: Me too.
Greg: Since he started dating Marco he has changed so much
Greg: He's not himself anymore
Jack: He used to be so joyful
Jack: Now he's silent
Rob: True
Rob: We barely see him 
Rob: Do you think he's unhappy?
Greg: Possible.
Jack: Maybe we should talk to him
Greg: I've tried already...
Greg: He thinks everything is good.  
Output:
 Greg and Jack are worried about Hubert. Hubert seems to be too silent since he started dating Marco. Greg talked to Hubert, but Hubert says everything is alright. 