Please choose the correct ending to complete the given sentence: River tubing: A woman walks to the bank of a river holding a camera. suddenly

Ending1: , a surfer is sideways throwing a discus. Ending2: , a group of people kayak in the river under a bridge while a clock watches in the distance. Ending3: , a person sail in the water and falls on the bank. Ending4: , two men appears sailing in inflatable boats while the woman takes pictures.

Answer format: ending1/ending2/ending3/ending4