Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to harvest hazelnuts [title] Pick american hazelnuts in the fall. [step] American hazelnuts are typically ripe in september or october. The nuts should start to turn brown, but the leaves around the nut should still be green.

Ending1: They should also have a wilted, almost shriveled appearance. If you have sensitive skin, look for a fresh american hazelnut. Ending2: [substeps] For every 1 pot of hazelnuts you harvest, place an ice cube tray over the fruit and freeze it to halt the harvest for the next batch of hazelnuts. [title] Choose a harvest date that fits with the season. Ending3: Ripe hazelnuts are perfect for roast crappie and nuts. [substeps] Mature hazelnuts can be purchased pre-roasted, or you can take them out of their packaging before the last day of the season. Ending4: If you pick the nuts before this time, they won't be ripe enough and won't taste good. [substeps] The leaves around the nuts are called involucres.

Answer format: ending1/ending2/ending3/ending4