Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to answer document based questions for ap tests [title] Understand the context for dbq questions. [step] These questions briefly come up in ap exams and related high-level academic testing. Knowing when to anticipate these kinds of questions will help you deal with them as they arise.

Ending1: [title] Familiarize yourself with the lsac tri-foundation. [step] The tri-foundation stands for: analytic association of exam takers (mba). Ending2: Understanding the context will also help you understand what questions will actually be discussed throughout the course of the test and when they will be discussed. [substeps] For instance, suppose you are learning the subject of clog forms in history. Ending3: [title] Figure out how to use primary and secondary source documents. [step] In some kinds of tests, only primary documents will be included for dbq questions. Ending4: [substeps] Some questions will come about college admissions requirements, which may limit you from answering them. Other questions will come about graduating from high school.

Answer format: ending1/ending2/ending3/ending4