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 he said disappointed me .  
 Person2:What did he say ?  
 Person1:        He advised me to change to a more suitable course .  
 Person2:Why ?  
 Person1:        He said that career in law was unsuitable for a women .  
 Person2:It is stupid to say so . 

informal