Spatial information systems: Sampe MCQ - Could you please provide the answer and detail why it is the case please - Thank you

Q1) Which of the following spatial configurations illustrate the topological relation between two objects A and B represented by the 9 -intersection matrix below? 111111111 a) d) b) e) c) f) Q2) Consider the plane subdivision below. Which of the following ordered lists of edges could be associated with edge e if the plane subdivision was represented using the DCEL data structure? a) e1, e2, e3, e4, e8, e7, e6, e5 b) e4, e3, e2, e1, e8, e7, e6, e5 c) e4, e8 d) e8, e4 e) e5,e1 f) e1,e5