Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to bungee jump [title] Check your body condition. [step] In general bungee jumping is very safe but certain conditions can make it potentially dangerous. These conditions include high blood pressure, a heart condition, dizziness, epilepsy, and injuries to the neck, back, spinal column, or legs.

Ending1: Above all, bungee jumping should be a safe and inexpensive activity that shouldn't take more than a few minutes to perform. [title] Purchase a yoga mat and a backpack. Ending2: If you have any of these conditions you may want to speak to a doctor before planning for your bungee jumping experience. [substeps] Many harnesses are attached to your ankles and can exacerbate any ankle or knee problems you may be experiencing. Ending3: If you are not sure what your recommended safety precautions are, talk to your doctor about them. [title] Choose a suitable bungee jumping seat. Ending4: Any of these conditions should be screened by a medical professional. Symptoms : [substeps] Headache difficulty breathing difficulty breathing being able to view bright places shaking legs and feet tired or sick [title] Be aware of other possible potential risks.

Answer format: ending1/ending2/ending3/ending4