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:     Have the aerobic classes any effect on you ? 
 Person2:  Sure , great effect.My weight has dropped from 150 pounds to 120 . 
 Person1:      Congratulations ! That's really something beyond my imagination . 

1