In week 4, we played a game that we call it as a tin kosong. The way to playing this game is we need divided to two group and make a line. After that the first person in line were called to get out and hear instructions from the lecturer. Then the group leader will come back and past to another group member one by one. At the last person must tell the same statement that lecturer give to the leaders.what I get from this game is we should have the nature of cooperation and trust your friends. We should also be efficient, focused and responsive in doing a thing.