Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to ride your bike to school safely [title] Find a safe route to school. [step] Use google maps and find two bicycle friendly routes to your school. One should be the one you take most of the time and the second one should be a backup.

Ending1: If you are not sure which route to take, here's an example : [substeps] Go you school street left. Take the turn from keep will at street corner. Ending2: If you can't find a safe route, at least make sure it is not dangerous. [substeps] Many bike smart places are equipped with safety equipment that protect against bike injuries, particularly among students. Ending3: If you already know a route to your school and it is possible to travel it on a bike, use it. ( you should still find an alternate route in case the first route becomes obstructed or impassable. Ending4: You may want to consider using a combination of the two. Many schools will block you if you use these routes too frequently.

Answer format: ending1/ending2/ending3/ending4