A．An argument is made, then complicated through the admission of the argument's limitation.
B．The general nature of a problem is presented, followed a concrete example of the problem.
C．A thesis is stated, and evidence is provided along with an analysis to support the thesis.
D．The method of research in a field of science is explained, than illustrated through a specific case.
E．Two opposing methods of the best means to perform a science are explained, then shown to reconcilable.