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:       We ’ re trying to get donations .  
 Person2:What are you getting donations for ?  
 Person1:        We ’ re getting donations for the campaigns .  
 Person2:How much money are you looking to make ?  
 Person1:        As much as we can .  
 Person2:Are you doing different fundraisers ?  
 Person1:        We ’ re just going door to door .  
 Person2:You should do something else .  
 Person1:        Do you have any suggestions ?  
 Person2:Try a car wash and selling candy .  
 Person1:        That is a good idea .  
 Person2:You ’ ll make more money that way . 

formal