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:       I'm told Cold Blood just finished its last cut .  
 Person2:Yeah , it'll make a hit , I think.When will it be on , do you know ?  
 Person1:        Sure , it'll be on next Monday . 

formal