Detailed Instructions: 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:       You look pale , you must have poor health .  
 Person2:Yeah . You said it .  
 Person1:        Why not go to see the doctor ?  
 Person2:I ’ Ve done that . The doctor advised me to cut out smoking and drinking . 
A:
informal