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:       Would you please tell me something about the agriculture and industry of New Zealand ?  
 Person2:The agriculture in New Zealand is highly mechanized . The industry mainly focuses on the manufacture of agriculture and stockbreeding products .  
 Person1:        I see .  
 Person2:If you need any further information , please don't hesitate to ask me .  
 Person1:        OK , I will . 

informal