Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.
Input:  Person1:     I like this shirt.How much is it ?  
 Person2:  $ 135 .  
 Person1:      Wow , that's sheer robbery.Shall I make an offer ?  
 Person2:  I'm sorry , sir.The price is fixed . 

1