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:       May I help you ?  
 Person2:I ’ m not sure where to pick up my ballot .  
 Person1:        I can assist you .  
 Person2:How are you going to help me ?  
 Person1:        I actually work here .  
 Person2:Fabulous . Thanks .  
 Person1:        Do you have ID ?  
 Person2:I have it right here .  
 Person1:        Here ’ s your ballot card .  
 Person2:Now what am I supposed to do ?  
 Person1:        Just take it to a booth and begin voting .  
 Person2:Sounds good . Thanks . 

informal