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:       What do you do now ?  
 Person2:I'm out of work at the moment .  
 Person1:        Why ?  
 Person2:I was fired last week .  
 Person1:        I'm sorry to hear that .  
 Person2:It doesn't matter .  
 Person1:        What's your plan now ?  
 Person2:After the tour I'll have a rest . And then go to find a new job .  
 Person1:        Best wishes for you .  
 Person2:Thank you . 

informal