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:       Taylor , you're sweating up a storm !  
 Person2:Your boyfriend , Bryan , wanted to toss the football . I think he wore me out .  
 Person1:        Yeah , you look a little shaky . And pale . You seriously need some time in the sun .  
 Person2:You're like the tenth person to say that .  
 Person1:        We're just worried about you , Taylor .  
 Person2:Whatever . I wish people would just leave me alone ! 

informal