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:       When do you usually go to the movies ? 
 Person2:I usually go in my free time on the weekends . How about you ? 
 Person1:        The movie theater is always so crowded on the weekends . I like to go to the movies during the week . 
 Person2:That's true . And sometimes the tickets are cheaper during the week as well . 

formal