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:       That was heaven !  
 Person2:The sea water treatments are supposed to be really good for you .  
 Person1:        Really ?  
 Person2:But the water has to be kept at 34 degrees so that the minerals can be absorbed by your body .  
 Person1:        Well , whatever it does , I feel transformed ! 

informal