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'.

[Q]: Person1: How do you do ? I ' m Parker .
Person2: How do you do ? Mr . Barker .
Person1: Parker .
Person2: Oh , Parker with a P ?
Person1: Yes , with a P .
Person2: Er ... I ' m Barker .
Person1: Barker ? With a B . Of course .
Person2: Yes , with a B .
Person1: Won ' t you come in , Mr . Barker ?
Person2: Thank you , Mr . Parker .
[A]: 0

[Q]: Person1: would you like to learn to tango Donar ?
Person2: right now ?
Person1: i am offering you my services . for your church . what do you say ?
Person2: i think i'll be a little afraid .
Person1: of what ?
Person2: afraid of making a mistake .
Person1: no mistakes in a tango Donar.not like life , simple , that will make the tango so great . if you make a mistake , you'll get all tango done . just tango along . why don't you try ? will you try it .
Person2: all right . i'll give it a try .
[A]: 0

[Q]: Person1: Have you met John ?
Person2: Yeah , he came back from America last week .
Person1: Have you noticed how fluently he speaks English ? He has only lived in America for less than three months .
Person2: He must have a good ear .
[A]:
1