Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to fish wires through a conduit or pipe [title] Unwind several feet of the light string and feed a little bit of it into one end of the pipe. [title] Start up the vacuum cleaner and attach it to the other end of the pipe. [step] Try to seal the connection the best you can to make the most efficient use of the vacuum.

Ending1: [title] Tighten the connections by adding wires to the plugs. [title] Place the wires in their specific holes, lined with them into the pipe. Ending2: [title] Bring the light close to the conduit at one end and turn the pipe clockwise to make contact with the conduit, then pull it all the way back. [step] Then, finish about halfway up the length of the pipe without stopping. Ending3: The vacuum should pull the string through the pipe.. [substeps] Watch the end where the string is feeding into the pipe to make sure it doesn't get snagged and stop. Ending4: [title] Set up your filter and pump connections. [step] When you set up the pump connections, drain the water into a bucket or other container.

Answer format: ending1/ending2/ending3/ending4