Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to remove blood from hardwood floors [title] Blot the excess blood on the hardwood floor with a dry cloth or paper towel. [step] Do not rub, just blot as rubbing can cause the blood stain to spread or go deeper. [title] Sprinkle the affected area with baking soda.

Ending1: [title] Dip a brush in white vinegar and use it to gently scrub the stained area. [title] Wipe the area thoroughly with a dry clean cloth. Ending2: [step] Baking soda is a strong abrasive, which usually kills most fairly fine stains. Place the baking soda on a very small surface and use a paper towel to absorb excess from the stained area. Ending3: [step] Use a sponge or cloth to gently blot blood staining. [title] Spread baking soda across the stained hardwood floor. Ending4: [step] This will help to create a thick haze on the hardwood floor. Make sure to sprinkle baking soda over the entire area.

Answer format: ending1/ending2/ending3/ending4