Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to install a bay window [title] Remove enough siding from the wall around the rough opening to reveal the building wrap underneath. [step] Uninstall any existing window from the wall. [title] Make sure the studs and header around the rough opening are safe and can support the bay window.

Ending1: [step] Use a hammer and nails to roughen any edges of the window and the back of the frame so it is even. [title] Replace any hinges facing the bay window. Ending2: [step] Prepare the sill for the bay window as directed by the window's manufacturer, such as by adding a drain mat. [title] Drill evenly spaced pilot holes around the bay window's inside perimeter. Ending3: [step] Measure the surface of the building wrap. The texture of the roll cloth will determine how you proceed. Ending4: [title] If you are installing both the front and back panel, secure these hinges in the studs with screws to keep all the panels from falling over during installation. [title] Loosen this bracket and some of the backing boards by pressing them inwards.

Answer format: ending1/ending2/ending3/ending4