Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to cross breed nepenthes [title] Obtain the nepenthes plants. [step] Obtain the species when they're in bloom. That way, you'll know up front what you like the shape or colour of.

Ending1: After that, you can use these as you like. Your most commonly used nepenthes plants are serpitchde, amazoncotta, and clark's to name a few. Ending2: [title] Keep the plants away from animal pollinators. [step] This will help to avoid random pollination. Ending3: [substeps] They're very easy to grow or garden in summer and winter. [title] Cut two chunks of paper into halves for the head and flower. Ending4: If you're not sure, your best bet is to research nepenthes plants in your area (do this now). [substeps] Read the different ones so you know what the colors are.

Answer format: ending1/ending2/ending3/ending4