Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to caulk a shower [title] Slice away old caulk. [step] While there are different methods you can use to. Get ride of old caulk by slicing it off with a razor scraper, utility knife, or five-in-one painter's tool.

Ending1: Submerge the entire shower head so it's barely covered by the old caulk. Slowly peel away old caulk residue from the shower head. Ending2: This way, you can easily get rid of old caulk when you've finished caulking your shower. [title] Use a razor scraper to cut off top of the shower head. Ending3: [substeps] Using quick, sharp strokes, slice through the length of the old caulk and peel off the majority of the loosened caulk using your fingers. Note that metal blades and chemical caulk removers can damage plastic tubs. Ending4: You will want to carefully cut away old caulk because it can be permanently removed from the shower walls. [substeps] You can also make an incision halfway down the shower wall where the shower bead was originally and then cut it off using a utility knife.

Answer format: ending1/ending2/ending3/ending4