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:       Tom , is Jenny crying ?  
 Person2:Can you take he away from me ?  
 Person1:        I ’ m just coming for that .  
 Person2:She kept on bothering me .  
 Person1:        She ’ s your sister.What she asked was only duck soup for you.Why can ’ t you be good to her ?  
 Person2:But I am her brother , not her servant . 

informal