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: What brings you to Beijing ?
Person2: I'm here on business .

Ex Output:
1

Ex Input:
Person1: I just heard your boy had taken the first place in the history test . He is super cool .
Person2: You flatter me .

Ex Output:
0

Ex Input:
Person1: Give me your hand . ( takes Rose's hand ) Close your eyes . Go on . ( Rose closes her eyes ) Step up . Now hold on to the rail . Keep your eyes closed ; don't peek .
Person2: I'm not .
Person1: Step up onto the rail . Hold on . Keep your eyes closed . Trust me ?
Person2: I trust you .
Person1: All right , open your eyes . ( Rose opens her eyes . She stretches her arms , and Jack stands behind her , arms around her . )
Person2: I'm fling , Jack . ( singing ) Come , Josephine , in my flying machine . Up she goes , and up she goes ...

Ex Output:
0