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: Hey , sorry to be late .
Person2: What happened to you last night ? You didn ' t show up .
Person1: My mother was ill . I had to look after her .
Person2: I ' m so sorry to hear that .

Ex Output:
0

Ex Input:
Person1: My shirt needs ironing . Could you please help me with that , Mary ?
Person2: No way . Do it yourself .
Person1: Please , I promise this is the last time .
Person2: OK , I'll iron your shirt for you , but only if you make me a cup of coffee .

Ex Output:
0

Ex Input:
Person1: Why do you look so sad ?
Person2: I ' m in pretty bad shape . I am having an allergy all the time .
Person1: Why not go and see a doctor ?
Person2: I never trust those stupid doctors .

Ex Output:
1