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:     How do you like you dishes today ?  
 Person2:  Not so delicious as before , but it's fine . The soup is tasty but the meat is a little tough .  
 Person1:      I am sorry for that . We will improve the dishes next time . 

1