Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to install drywall on ceiling without a lift [title] Cut up 2 pieces of 2x4s of 3 feet (0.9 m) long. [step] And 2 more pieces the same length as the height on the ceiling. [title] Install the sheetrock.

Ending1: [step] Measure out the first piece that is going to go up. Hopefully your room is square or you're going to be doing some adjustment. Ending2: [step] Check to make sure all the pieces are connected, then install studs. These areas are a little bit different for different levels, so keep that in mind. Ending3: [step] Get 7 pieces of 2x4s by cutting them up and 3 lengths. The height can be higher, lower, or as close as you want it to be to the ceiling. Ending4: [step] Use 2x4s of 2 feet (0.9 m) as supports. [title] Cut 4 boards from the second of the 3 pieces.

Answer format: ending1/ending2/ending3/ending4