Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to become involved in the green wave [title] Understand what will happen. [step] Participating schools will plant one tree on or around 22 may, the international day for biological diversity (ibd). Students will count down to 10 am local time, when they will water their tree, thereby creating a global " green wave ".

Ending1: Students will upload photos and text summaries to an interactive map on the green wave website to share their tree-planting story with others. This map will go live at 20:10 local time, thereby creating a second " green wave ". Ending2: [title] Understand that students will likely be teaching course management systems, and in addition, they will likely bring new toys to their class so they can vary their lessons. [step] At about 6 pm, the students may contribute to hundreds of new toys to repossessed and to the governing community throughout the year. Ending3: Changes will be made to occur overnight, however. [substeps] With networking you will have a much easier time being a green wave worker in the big cities. Ending4: [title] Publicize your interest in tree learning. [step] This will help you bring yourself some possibility of becoming a green wave teacher and to build a brand that's catchy.

Answer format: ending1/ending2/ending3/ending4