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: Will you give your friends a buzz and put out a feeler to see if they like to offer me a loan ?
Person2:Give them a buzz ? What can I say to them ? Say that you want a loan ?
Person1: I just want to make sure that there is possibility of giving us a loan .
Person2:And they , too , want to make sure their loan is worthwhile .
Output:
formal