often we will not know what the task is, until the task is completed.
4.59 sometimes we are given a test with no clear answer. we are unsure of which option is correct, so we try both options. both options is not an answer. however, we may have to try both options, so that we will know which answer is correct, by the result of each choice.
4.60 sometimes we will make the right choice, using the wrong method. when this occurs, the end result will seldom be as we desire. we are then forced to make the decision again and again, until we make the correct choice, using the correct method.
4.61 