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:     Did you have a good weekend ?  
 Person2:  Well I wanted to go for a picnic but it rained too much .  
 Person1:      Oh I see . So what did you do then ?  
 Person2:  I washed my car instead .  
 Person1:      Ahh . And how about on Sunday ? Did you watch the football ?  
 Person2:  No I didn ’ t . I worked in the morning then I played tennis with my husband . 

1