Detailed Instructions: 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'.
Problem: Person1: What day is it ?
Person2:It's Monday , October 27 . Speaking of dates , when are you leaving ?
Person1: I'm leaving on November 10th .
Person2:Isn't it a Sunday ?
Person1: No , it's a Monday .
Person2:So you are leaving two weeks from now ?
Person1: Right .
Solution:
formal