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:     Let ’ s go to the seashore on Saturday .  
 Person2:  Yes ! Let ’ s go sailing and water skiing . That ’ s so exciting .  
 Person1:      It ’ s expensive , too . Let ’ s just sit in the sun and go swimming instead .  
 Person2:  Yes . Let ’ s sleep on the sand . That ’ s most exciting ! 

0