Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to prune desert rose [title] Sterilize your cutting tool with rubbing alcohol or bleach before pruning. [step] Wipe or spray your cutting blade or pruning shears with rubbing alcohol. If you don't have rubbing alcohol, you can use a 10% bleach solution.

Ending1: [title] Trim your rose's leaves right before the last frost. [step] Recut excess leaves from the rose's body using pruning shears to a width that's enough to attach your growing pole. Ending2: Set your pruning tool where you want the cut to go and make sure that your blade is in contact with the area you want to trim, for example. [substeps] This method may not be recommended for smaller growths. Ending3: Disinfecting the cutting tool prevents the transfer of disease to your plant. [substeps] If you're pruning more than 1 desert rose plant, sterilize the cutting tool before pruning the next plant. Ending4: [title] Turn your pruning trimming tool toward the center of the sun. [step] You want the pruning tool to face east.

Answer format: ending1/ending2/ending3/ending4