Definition: 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'.
Input:  Person1:     Where did you go yesterday ?  
 Person2:  I went to play tennis in the public park .  
 Person1:      How often do you play tennis ?  
 Person2:  Twice a week . How about you ?  
 Person1:      I seldom play tennis . I prefer football and basketball .  
 Person2:  But it is very difficult to gather a team of players together .  
 Person1:      I usually play with my schoolmates .  
 Person2:  Do you like watching football matches ?  
 Person1:      Yes , I went to the Than He Sports Center for the football match last Sunday . 

1