Please choose the correct ending to complete the given sentence: Waterskiing: Someone is walking on sand to a beach. The man on the sea is doing wakeboarding on the sea. woman

Ending1: is walking on the beach who is watch sailing. Ending2: is doing wakelying with a person rowing on the surf. Ending3: is walking with him on the ocean. Ending4: is doing wakeboard next to the man.

Answer format: ending1/ending2/ending3/ending4