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:       Julia , Julia , Julia . My daring Julia , what's wrong with you ?  
 Person2:Steven , are you talking to me ?  
 Person1:        Yes , I have called you three times . What makes you in a daze ?  
 Person2:I was thinking about the accident I saw in the morning . I was petrified when two cars collided . I witnessed the traffic accident .  
 Person1:        Did someone get hurt ?  
 Person2:A driver died instantly . The other one was badly hurt . A poor boy called Peter was killed in the accident too .  
 Person1:        What a terrible accident ! Who should be responsible for this traffic accident ?  
 Person2:I think both . They drove too fast . What's worse , one of them was drunk .  
 Person1:        Why do some guys like to drive so fast when they are drunk ?  
 Person2:I don ’ t understand . Maybe they feel they are okay and driving fast seems very cool . 

formal