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: Hello , is Jack there ?
Person2:Speaking .
Person1: Jack ! It ' s Rose here .
Person2:Hi , Rose . How ' s everything ?
Person1: Fine , thanks . I ' m having several friends over for dinner this Saturday . And I was wondering if you have the time to join us .
Person2:Sounds good . What time do you want me to come ?
Person1: Is six o ' clock okay ?
informal

Person1: Jane's mother always wants her to marry a big shot . J
Person2:That is just wishful thinking . The cost of higher education has increased in recent years , faster than the cost of living . So she wants Jane's brother to go on studying and earn his doctorate by means of it .
Person1: But it's unfair for Jane .
informal

Person1: A friend told me I might find a room here .
Person2:Yes . I ' ll have a room free next week .
Person1: What do you charge ?
Person2:25.00 dollars a week , but you can't have visitors .
Person1: Fine.Would it be OK to look at the room ?
Person2:Could you come back later ? We ' re right in the middle of dinner .
formal