What Makes Grade 5 and 6 in the Extract Question (Uses Lady Macbeth)

Teach from part of a sample answer.
Go through the 9 skills that students need for a grade 5.
Then teach the same skills to grade 6 using the same essay, with an extra one - skill 10 which tips the balance between grades 5 and 6.
Finally, exemplify a crucial tactic to approaching the question which makes grades 5 and 6 so much easier to get. Should students start with the extract or the whole text? There really is a right answer!