Please choose the correct ending to complete the given sentence: Skateboarding: . a lot of people wearing white t shits

Ending1: are gathered at a christmas dinner preparing for a big event. Ending2: object to weight lifting but they are pushed to the top to continue lifting. Ending3: are going on skateboards on street. Ending4: are on ice floes.

Answer format: ending1/ending2/ending3/ending4