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:       The stepmother was very wicked . She couldn't stand a happy smile on the boy's face . 
 Person2:And ? 
 Person1:        And she did her best to pull out the thorn in her flesh and the boy lost whatever made him happy . 
 Person2:Poor child ! 

formal