Please choose the correct ending to complete the given sentence: Work World: [header] How to graft grape vine [title] Cut the top of the vine. [step] Select a fairly large stock vine and saw off the top roughly 30 minutes before you intend to graft the scions. [substeps] Note that this is the simplest grafting method to use and generally produces good results.

Ending1: [title] Cut the bottom off the tomato vine. [step] Use a sharp knife to carefully cut off one or both sides of the tomato vine. Ending2: Very few vines are grafted on unless they've been grafted by someone else. Typically, you must saw away from the vine before you can graft, called the " census. Ending3: You should cut the top based on the desired head height of the grafted vine. Make the cut at a clean, unblemished portion of the vine and cut until the height of the rootstock is roughly 4 inches (10 cm) shorter than your final desired head height. Ending4: Avoid using the capable hand saw when grafting your vine. [title] Drill 2 small holes about 3.8 inches (12.

Answer format: ending1/ending2/ending3/ending4