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 , buddy . Are the fish biting today ?  
 Person2:They sure are . They are practically jumping in the boat .  
 Person1:        Is that so ? Well , what kind of bait are you using ?  
 Person2:We're catching most of our fish with lures .  
 Person1:        Lures ? We're using live bait over here .  
 Person2:What kind of live bait are you using ? Worms or minnows ?  
 Person1:        We're using worms .  
 Person2:Are you having any luck with the worms ?  
 Person1:        No , we haven't even gotten a nibble today .  
 Person2:That's too bad . Why don't you try using lures instead ?  
 Person1:        I would , but I don't have any in my tackle box .  
 Person2:That's too bad . Well , where are you fishing ?  
 Person1:        I'm just fishing from the shore . How about you ?  
 Person2:We went out in our boat . I have a favorite fishing hole out there .  
 Person1:        Sweet.Can you tell me where it is ?  
 Person2:Oh no , I can't tell you . It's a secret . Say , why don't you go over by the lily pads and try fishing there ?  
 Person1:        Do you think that's a good spot ?  
 Person2:Sure , I used to catch my legal limit of bass there all the time .  
 Person1:        Thanks . I think I'll go check that out now .  
 Person2:Good luck . I hope you each some fish . 

informal