You will be given a definition of a task first, then some input of the task.
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'.

Person1: Jack , what do you think about the election ?
Person2:I think the campaign is a blockbuster .
Person1: How many people have flung their hats into the ring ?
Person2:Finally 100 candidates ran for one seat .
Person1: Who do you think will be elected ?
Person2:It's hard to say . They all had an active campaign to round up the votes .
Person1: I think Mr . White would be elected , you know he has spent millions in this campaign and he blasted the opposition in his campaign speech .
Person2:Maybe . Who knows ?
Output:
formal