(b) Layla and Giles also advise you that the shape of the garden does not match the title plan and that the garden is, in fact, larger than the title plan would suggest. Nola states that this extra' land was included within the garden when she bought the house ten years ago. You carry out a search and discover that that the 'extra' land is unregistered. Advise Layla and Giles how they can obtain legal title to the extra land