Teachers say the example dialogue again and this time the teacher of B is to change the place and time. After that, the students catch the conversation partners By using a student's own data into answers.
For example, one teacher said dialogue again and this time the data of B is changing the location and time. After that match students to practice conversation. Using student data itself is the answer.
The teacher says, for example, the dialogue 1 again. This change of teachers and B is change of location and time. After matching the conversation By using the data of the students is the answer.