Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to clean smoke damage [title] Get permission from a fire marshal to safely re-enter your home. [step] Do not enter a house or other building affected by fire until you have received word from a professional that it is safe to do so. How soon after a fire you are allowed back in the building will depend on the severity of the fire and the measures employed to put the fire out.

Ending1: [title] Have a fire extinguisher ready and ready to handle the blaze. [title] In case a fire immediately appears near the firefighters, get out of the building as quickly as possible. Ending2: [title] Close and gather water and an extinguisher. [step] Be aware that certain fires can be highly dangerous. Ending3: [title] Remove and replace smoke proof flooring. [step] Do not remove fresh smoke from a burned floor. Ending4: [substeps] Assess the damage to your belongings once you are back inside. Decide what you want to try to clean, and what you need to discard.

Answer format: ending1/ending2/ending3/ending4