Detailed Instructions: 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'.
Problem: Person1: What's this , I wonder ?
Person2: I'm not sure.Let me have a look ... It could be a coffee grinder .
Person1: A coffee grinder ?
Person2: Yes , it must be used for grinding coffee beans .
Person1: Oh , that would be very useful .
Solution:
1