Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to build a squirrel house [title] Gather your tools. [step] This is a basic woodwork project and doesn't require anything too elaborate. You'll need a saw (jig-saw if you have one), electric screwdriver, and screws (3-4 dozen).

Ending1: If you don't have an electric screwdriver, you could also use a hammer and nails. Screws hold the squirrel house's design more securely than nails. Ending2: You can also use a wire hanger to finish off your structure. The wood above is your work area, so try to choose a safe, open space where the outdoors won't be disturbed. Ending3: These are all available for purchase at hardware stores that specialize in squirrel houses. Clean your tools and equipment well before building the house. Ending4: You can build the house off the ground or do it on the floor, so long as you're able to safely access the wall. [substeps] Squirrels are short, agile creatures that will climb dead trees if they're not careful.

Answer format: ending1/ending2/ending3/ending4