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:       Hey , Tom , what to go for a run ? 
 Person2:No thanks . I like to run in the morning . I ran a couple of miles when I woke up today . 
 Person1:        I try to do that , but I can ’ t get up early enough . 
 Person2:I couldn ’ t either at first , but you get used to it . 
 Person1:        It ’ s so hot at lunchtime ; I ’ d rather run in the morning . 
 Person2:Well , why don ’ t you come tomorrow ? I ’ ll stop by your house on my way out . 
 Person1:        I could try , but I can ’ t say for sure if I ’ ll get up in time . What time do you want to go ? 
 Person2:I ’ ll give you a call around 6 o'clock and stop by around 6 thirty . 
 Person1:        O . K . , maybe if I have someone to go with , I ’ ll be able to get up in time for a jog . 
 Person2:Great , I ’ ll see you then . 
 Person1:        See you . 

formal