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:     Would you like to drink some coffee ?  
 Person2:  No , thanks . I have some trouble with my heart , my doctor recommend I to drink less .  
 Person1:      Would you like to try some watermelon juice ? It tastes good .  
 Person2:  All right 

1