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:       Do you like shopping at flea markets ? 
 Person2:l love it . There is always something fascinating to discover . 
 Person1:        The antiques market here in Paris is very famous . It's called Le marche aux puces de Saint-Ouen . 
 Person2:That's not very easy to say . 
 Person1:        It's also known as Les Puces , which means ‘ The Fleas ' . 
 Person2:Can you find many bargains there ? 
 Person1:        Well , it really depends . Because you are a tourist , it might be harder for you to get really good prices . 

informal