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:     Are you feeling OK ?  
 Person2:  My stomach is bothering me .  
 Person1:      What have you been eating ?  
 Person2:  I had a ham sandwich with mayonnaise for lunch .  
 Person1:      Maybe the food had something wrong with it .  
 Person2:  It could be bad food , but I didn ’ t feel so well yesterday , either .  
 Person1:      Have you been under a lot of pressure lately ?  
 Person2:  I haven ’ t been under any more stress than usual .  
 Person1:      Perhaps you have caught that bug that is going around .  
 Person2:  I feel like maybe I am coming down with the flu . 

1