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:       I never watch foreign films . They're too boring .  
 Person2:Jason , you have no taste . You think First Blood is a good movie .  
 Person1:        Hey , it is ! A lot of people like that movie !  
 Person2:I'm sorry , but it's a bad movie . The plot is stupid , and the script is poorly written .  
 Person1:        Face it , you don't like action movies because you're a snob .  
 Person2:No , I don't like action movies because I'm cultured ! 

informal