RedactedNarrative: Boat A was pulling one person on a tube with a 28 foot tow rope east bound on Mason Lake, boat B was drifting while fishing with the bow of their boat pointing north. Boat A was coming directly at boat B, the operator of boat B yelled at boat A in effort to get boat A's attention. The operator of boat B got up from the passenger seat and attempted to start the boat while standing up; to move it out of the way. Boat A struck boat B prior to boat B being started causing the operator of boat B to be ejected from the boat and land in the water on the starboard side, boat A went over boat B and landed on the starboard side of boat B facing south east, the tow rope became tangled around the passenger of boat B who was seated in the rear passenger seat and the inner tube struck boat B near the port transom, the passenger on the inner tube was not ejected.