Consider the figure below, where l1 and l2 are parallel and cut by transversals t1 and t2. Part A: What is the relationship between 1 and 3? Justify your answer. Part B: What is the relationship between 2 and 7 ? Justify your answer. Part C: What is the relationship between 4 and 6? Justify your answer. Part D: What is the relationship between 11 and 15? Justify your answer. Part E: What is the relationship between 12 and 13? Justify your answer. Part F: What is the relationship between ҆14 and ҆15? Justify your answer.