Now imagine you are in charge of a mountaineering expedition to Mount Everest. You have to address the first time climbers. Write the instructions that you would give to the climbers on keeping the track clean besides giving instructions on safety measures. Instruct how they can contribute in preventing the Everest from becoming, "The highest junkyard in the world".
Why are the instructions so written /given?
(a) So that the reader can understand more easily
(b) So that the writer can write more easily
(a) So that the reader can understand more easily