Please choose the correct ending to complete the given sentence: Waterskiing: Two scientist throws stones in the water while talking. scientist

Ending1: holds a dog on a leash and pets the dog, then the dogs play tug of war. Ending2: helps the man twist grans stone to dry. Ending3: writes a formula on a board, then the scientists run and jumps in the water. Ending4: sets a watch on points and aims towards the rocks while still talking.

Answer format: ending1/ending2/ending3/ending4