Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to pick up litter [title] Stop litter where it starts. [step] The reason there is so much trash around is because not enough people recognize that it's a problem. Start with yourself, and make sure you're not generating litter, intentionally or otherwise.

Ending1: The problem lies with the litter and not the environment. Lay/clean out a path that other people can take and place litter in that path. Ending2: [substeps] Don't pick at litter before it starts to smell on your hands. Don't scoop litter around your house after it starts to smell in your kitchen. Ending3: [substeps] Be on the lookout for trash bins, and be willing to carry your trash for a little while. Keep a bag or container for trash in your car, if you drive. Ending4: Asking for assistance will attract more attention, and this can lead to litter spills and people reporting the litter to the police. [substeps] One typical place you can see litter spills and people reporting a litter spill is by common street signs.

Answer format: ending1/ending2/ending3/ending4