Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to catch a student cheating on a written test [title] Prevention is better than cure. [step] Before the exam begins, ask for all mobile phones, electronic devices and textbooks to be placed on the teacher's desk. Have the students clear their desk of everything but their pencil case before you hand out the papers.

Ending1: [title] Skip any other " scary " extracurricular activities. [step] As the test approaches, ask students what they are doing that is " scary ". Ending2: This prevents you from having to reach them in case they find something and don't return it. [title] Comply with all teacher's rules regarding answers on the big day. Ending3: Prevent your students from touching their sharpies or doing anything else that might tempt them to touch that instrument. [substeps] Have the students also pull out their agenda from their backpack before class begins. Ending4: [title] Remind the students of the rules and the penalties for cheating. [title] Separate the students or seat them in such a way that they cannot easily look onto one another's papers.

Answer format: ending1/ending2/ending3/ending4