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:       So , you finally got your doctorate in genetics . Well done !  
 Person2:Thanks . Now , I have to find a job .  
 Person1:        What are you thinking of doing ?  
 Person2:I ’ d like to conduct some scientific research into genes . It would be wonderful to make a medical breakthrough .  
 Person1:        There must be several private companies that are interested in employing someone like you . You could do some research for a university . There ’ s a lot of discussion about genetics nowadays . Someone wit  
 Person2:Many companies and universities investing resources in genetics , because there are so many possibilities . Few people know where next discoveries will be made .  
 Person1:        Well , I hope scientists don ’ t decode to make a clone of me in the future ! I wouldn ’ t like to be the subject of an experiment . 

informal