Q: 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'.
Person1: Crazy ! He locked himself in the room .
Person2: I think he was locked in it .
Person1: But you can see the key in his hand through the window !
Person2: What a strange guy !
A:
0