Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to unclog a kitchen sink [title] Fill the sink partially full of hot water. [step] Fill the sink until it is about 1/4 to 1/2 of the way full. [title] Position the plunger over the drain.

Ending1: [step] Using the plunger to roll the sink plunger down slowly while holding the bowl or bucket on its edge, slowly push down on the plunger for 2 to 4 seconds. This should dislodge the water below the water line. Ending2: [step] Turn the plunger counterclockwise until the remaining water has drained out. Then pull the plunger back in, while keeping the plunger turned to avoid splashing the water. Ending3: [step] Place the plunger over the opening between where the drain lid and the stem plug are located. [substeps] Only do this if the container you're using is very hot. Ending4: [step] If you have a double sink, then stuff a washcloth into the unclogged drain to ensure that the plunger's pressure is focused on the clog. [title] Work the plunger up and down quickly.

Answer format: ending1/ending2/ending3/ending4