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 many undergraduates are hired here each year ? 
 Person2:  Normally , about 60 people . But it may depend . 
 Person1:      I see . What kind of backgrounds does the staff have ? 
 Person2:  About 20 % of them come from other countries and the others are employed from domestic universities and colleges . 

1