Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to store nectarines [title] Store nectarines at room temperature until they're ripe. [step] Push down on the skin with your finger. If it's soft and bounces back then it is ripe.

Ending1: Canning your nectarines before freezing can keep them fresher, especially while pureeing. [substeps] Go vegetarian and stock up on bananas to prevent overripe nectarines from spoiling; they will also preserve the fleshy meat. Ending2: Older nectarines should be stored at room temperature. Older ripe varieties may be kept at room temperature indefinitely. Ending3: They should also emit a fragrant smell when they've reached ripeness. If you need them sooner, put your nectarines in a paper bag to ripen faster. Ending4: If it's sour it needs to be stored longer to reach ripe heifers. [substeps] Hold out the nectarines in a large container and allow them to cool slightly, then place them in a heat proof environment for one day to 1 week.

Answer format: ending1/ending2/ending3/ending4