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'.

Ex Input:
Person1: A beautiful center !
Person2: And good shot !
Person1: A goal !

Ex Output:
0

Ex Input:
Person1: Mr . Smith , welcome to our factory .
Person2: I've been looking forward to visiting your factory .
Person1: You'll know our products better after this visit .

Ex Output:
0

Ex Input:
Person1: I've just had an argument with Bob .
Person2: Really , who started the argument ?
Person1: He did and it's his entire fault .
Person2: Did you know it takes two to tango ?

Ex Output:
0