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:       Could you tell me the right time , please ?  
 Person2:Well . My watch says five past two . But it ’ s no use rely on it because it has been gaining and losing these last a few days .  
 Person1:        You have to go and fix it .  
 Person2:Yes . I will . 

informal