Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to hatch turkey eggs in an incubator [title] Set up your incubator at least 24 hours before you put the eggs in. [title] Fill the lower channel with water to ensure adequate humidity. [title] Place two thermometers in the incubator.

Ending1: [title] Attach the temperature dial or the location temperature counter to the cooler half of the incubator for the most pleasing temperature. [title] Place a plastic tray on the top of the incubator. Ending2: [title] Leave one of the bottom gears unhooked. [title] Remove all the cooktops, plates and utensils from the incubator. Ending3: [step] Make sure they are elevated to half the height of the eggs (usually about 1 inch). You can get disposable plastic cups and cut them to the desired height to act as platforms for the thermometers. Ending4: [step] These thermometers indicate if the embryo is still one year old or eggs older. Easy-to-store thermometers can also be used.

Answer format: ending1/ending2/ending3/ending4