Complex sentence: Cook and Crow stroked two competing fours, Cook with a composite crew and Crow with MUBC crew to win silver and gold respectively; the results were reversed in W8 + final with Cook in a composite crew winning gold and Crow winning silver.
Split into simpler sentences: Cook and Crow stroked two competing fours, Cook with a composite crew and Crow with the Melbourne University Boat Club crew to win silver and gold respectively. The results were reversed in the W8 + final with Cook in a composite crew winning gold and Crow winning silver.