Template:The Triangular box.

Example usage:

{"params":{"title1":{"suggested":true},"image1":{"suggested":true},"caption1":{"suggested":true},"cotains:_danger":{"suggested":true},"contained_by:_n_o_b_o_d_y_knows":{"suggested":true},"image2":{"suggested":true},"caption2":{"suggested":true},"image3":{"suggested":true},"caption3":{"suggested":true}},"sets":[],"maps":{}}