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'.

[EX Q]: Person1: I don't think the teacher had a right to say that . The teacher was wrong to have accused her in front of the whole class .
Person2: You've got to be joking ! It's the teacher's right to say anything wants , and if she saw Myra cheating , she certainly had the right to say so .
Person1: I agree she had the right to say something , but I feel she should have done it privately .
Person2: You're right . If I were the teacher , I wouldn't have done that .
[EX A]: 0

[EX Q]: Person1: What dances do you like ?
Person2: I love to dance the fast music .
Person1: Then you must be interested in disco .
Person2: Yes , it's my favorite .
Person1: Oh , it's a disco . Let's dance .
Person2: You're a good dancer .
Person1: Thank you . Now they are playing a rumba . Would you have a try ?
Person2: Sorry . I feel like sitting out the next dance .
Person1: OK . Let's get something to drink .
Person2: Good idea .
[EX A]: 1

[EX Q]: Person1: Can I help you , sir ?
Person2: I wish to buy a diamond ring .
Person1: How many carats would you like it to be ?
Person2: I want five carats .
Person1: Is this one suitable for you ?
Person2: No , it seems too old-fashioned to my fiancee .
Person1: What about this ?
Person2: It seems too small for me , haven't you got any larger ones ?
Person1: Then you can buy this one . It's very nice and latest in style .
Person2: Oh , this one is perfect .
[EX A]:
1