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:       Man , they take a lot of our paycheck . 
 Person2:Yeah , the government really takes a bite , doesn ’ t it ? 
 Person1:        Seriously . The only tax I don ’ t mind them taking is social security . It ’ s only a few dollars every paycheck . 
 Person2:Yeah , I don ’ t mind it either . We ’ ll both end up rich slobs and not need it , but what if we do , you know ? 
 Person1:        Yeah . It won ’ t be much , but at least we ’ ll have a monthly check when we get old . 
 Person2:Yeah . My grandmother gets by on social security and the money my grandfather invested when he was alive . 
 Person1:        Let ’ s just hope the politicians don ’ t figure out a way to spend it . 
 Person2:Really ? No , they couldn ’ t . None of them would have jobs if they did . 

informal