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:     Tony looks very handsome in the suit .  
 Person2:  He prefers suits to jackets .  
 Person1:      Judge from his look , he's a very serious person .  
 Person2:  As a matter of fact , he is . 

0