Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to fix a squeaking bed frame [title] Take the mattress and box spring off the bed frame. [step] The box spring is the wooden base underneath the mattress. Lay the mattress and box spring on the floor.

Ending1: [title] Check if it's the mattress that's squeaking. [step] You'll want to rule it out as the cause of the squeaking before you start working on the bed frame. Ending2: Lay the mattress face down on top of the box spring. [title] Use a handsaw or power drill to pry off the front door frame. Ending3: Pick up one by both sides of the mattress and hold it up. Pull the bottom of the mattress out of the box spring, then slide the mattress out and onto the bed frame. Ending4: Put one leg of each piece on top of the other so they should be flush with the floor. [title] Bend the entire frame over to one side and pull on the bottom section of the frame.

Answer format: ending1/ending2/ending3/ending4