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:       Great ! I landed on Classic Movies .  
 Person2:I didn't know you liked old movies .  
 Person1:        I love them , especially the all-time greats like Gone With the Wind .  
 Person2:You're so right ! Today's movies are just too commercial !  
 Person1:        Sometimes I think Oscars are only awarded to movies that make a lot of money . 

informal