Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. You are required to assign a label 'formal' if there is an absence of emotion and a presence of questions anywhere within the conversation. If such pattern is not found assign the label 'informal'.
Input:  Person1:       Hey , daughter . Let me ask you something .  
 Person2:Yes , Dad ?  
 Person1:        Do you have life insurance ?  
 Person2:Well , no . It just seemed like another bill we ’ d have to pay .  
 Person1:        You have children now . What if something , god forbid , happens to you ?  
 Person2:That's true . Well , how much do you think I should get ?  
 Person1:        A 10,000 dollar policy shouldn ’ t be too expensive . Here , call my agent . He will give you a good deal . 

formal