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:     Did you see Victor on Wednesday , Wendy ? 
 Person2:  Yes . We went for a walk in the woods near the highway . 
 Person1:      Wasn ’ t it cold on Wednesday ? 
 Person2:  Yes . It was very cold and windy . We wore heavy wool sweaters and walked quickly to keep warm . 
 Person1:      It ’ s so nice and quiet in the woods . 
 Person2:  Yes . Farther away from the highway it was very quiet and there were birds and squirrels everywhere . We counted over twenty squirrels . 
 Person1:      It sounds wonderful . Did you take lunch with you ? 
 Person2:  Yes , we bought veal sandwiches . We stopped around twelve , and we ate and watched the squirrels , but it was too windy to sit long . It was a very nice walk , anyway . 

1