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'.
Q: Person1: Both Bob and carl will become somebody in the future.Don ' t you think so ?
Person2:Yeah.But Bob's talent can't to be named on the same day with Carl's .
Person1: But Bob is more generous and ready to help .
Person2:We cannot judge a man totally by that .
A:
informal