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:     What sort of things do you grow in your garden ? 
 Person2:  I grow a variety of things , so that something is in bloom all year round . 
 Person1:      When is your garden at its best ? 
 Person2:  It looks best in spring , when the plum and cherry blossoms are out . 

1