He serves a new ball. Again, everyone just watches it fall. So I call on someone else. This person does not refer to what the previous speaker has said. He also serves a new ball.
Nobody seems to have paid any attention to what anyone else has said.
Everyone begins again from the same starting line, and all the balls run parallel. There is never any back and forth. Everyone is trying to bowl with a volleyball. And if I try a simpler conversation, with only two of us, then the other person tries to bowl with my tennis ball. No wonder foreign English teachers in Japan get discouraged.