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: Do you think the weather will be good this weekend ?
Person2:I heard it might rain .
Person1: Oh . That ' s a pity . I thought that we might go hiking in the hills .
Person2:Mmm ... Well we could go to that new art gallery instead .
Person1: Yes that might be a better idea .
Person2:Maybe we ' ll meet some of the artists too .
Person1: Ok - let ' s do that then !
informal

Person1: Fred , have you made the plan for April 28th ?
Person2:Yes , sir . Shall I explain the details of the plan now ?
Person1: You go !
Person2:According to your schedule , you will visit the Times Company , including its office building , workshops and stores , in the morning from 8: 30 to 11
Person1: Is there anything after the meeting ? In that case , would you add one plan ? I want to visit our guest Mr . Ross after the meeting . Can you arrange it for me ?
formal

Person1: I don't know what to do , if I can't find the money .
Person2:Don't worry yourself too much .
Person1: It's a large sum of money . I can't afford to lose it .
informal